18987333840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{44773}}^1$

素因数の和:44842

約数の個数: 240

約数和(自身を含む): 69288660480

約数和(自身を除く): 50301326640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 620, 684, 720, 744, 760, 855, 912, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1488, 1520, 1710, 1767, 1860, 2232, 2280, 2356, 2480, 2736, 2790, 2945, 3420, 3534, 3720, 4464, 4560, 4712, 5301, 5580, 5890, 6840, 7068, 7440, 8835, 9424, 10602, 11160, 11780, 13680, 14136, 17670, 21204, 22320, 23560, 26505, 28272, 35340, 42408, 44773, 47120, 53010, 70680, 84816, 89546, 106020, 134319, 141360, 179092, 212040, 223865, 268638, 358184, 402957, 424080, 447730, 537276, 671595, 716368, 805914, 850687, 895460, 1074552, 1343190, 1387963, 1611828, 1701374, 1790920, 2014785, 2149104, 2552061, 2686380, 2775926, 3223656, 3402748, 3581840, 4029570, 4163889, 4253435, 5104122, 5372760, 5551852, 6447312, 6805496, 6939815, 7656183, 8059140, 8327778, 8506870, 10208244, 10745520, 11103704, 12491667, 12760305, 13610992, 13879630, 15312366, 16118280, 16655556, 17013740, 20416488, 20819445, 22207408, 24983334, 25520610, 26371297, 27759260, 30624732, 32236560, 33311112, 34027480, 38280915, 40832976, 41638890, 49966668, 51041220, 52742594, 55518520, 61249464, 62458335, 66622224, 68054960, 76561830, 79113891, 83277780, 99933336, 102082440, 105485188, 111037040, 122498928, 124916670, 131856485, 153123660, 158227782, 166555560, 199866672, 204164880, 210970376, 237341673, 249833340, 263712970, 306247320, 316455564, 333111120, 395569455, 421940752, 474683346, 499666680, 527425940, 612494640, 632911128, 791138910, 949366692, 999333360, 1054851880, 1186708365, 1265822256, 1582277820, 1898733384, 2109703760, 2373416730, 3164555640, 3797466768, 4746833460, 6329111280, 9493666920, 18987333840]

約数ペア:

[(1, 18987333840), (2, 9493666920), (3, 6329111280), (4, 4746833460), (5, 3797466768), (6, 3164555640), (8, 2373416730), (9, 2109703760), (10, 1898733384), (12, 1582277820), (15, 1265822256), (16, 1186708365), (18, 1054851880), (19, 999333360), (20, 949366692), (24, 791138910), (30, 632911128), (31, 612494640), (36, 527425940), (38, 499666680), (40, 474683346), (45, 421940752), (48, 395569455), (57, 333111120), (60, 316455564), (62, 306247320), (72, 263712970), (76, 249833340), (80, 237341673), (90, 210970376), (93, 204164880), (95, 199866672), (114, 166555560), (120, 158227782), (124, 153123660), (144, 131856485), (152, 124916670), (155, 122498928), (171, 111037040), (180, 105485188), (186, 102082440), (190, 99933336), (228, 83277780), (240, 79113891), (248, 76561830), (279, 68054960), (285, 66622224), (304, 62458335), (310, 61249464), (342, 55518520), (360, 52742594), (372, 51041220), (380, 49966668), (456, 41638890), (465, 40832976), (496, 38280915), (558, 34027480), (570, 33311112), (589, 32236560), (620, 30624732), (684, 27759260), (720, 26371297), (744, 25520610), (760, 24983334), (855, 22207408), (912, 20819445), (930, 20416488), (1116, 17013740), (1140, 16655556), (1178, 16118280), (1240, 15312366), (1368, 13879630), (1395, 13610992), (1488, 12760305), (1520, 12491667), (1710, 11103704), (1767, 10745520), (1860, 10208244), (2232, 8506870), (2280, 8327778), (2356, 8059140), (2480, 7656183), (2736, 6939815), (2790, 6805496), (2945, 6447312), (3420, 5551852), (3534, 5372760), (3720, 5104122), (4464, 4253435), (4560, 4163889), (4712, 4029570), (5301, 3581840), (5580, 3402748), (5890, 3223656), (6840, 2775926), (7068, 2686380), (7440, 2552061), (8835, 2149104), (9424, 2014785), (10602, 1790920), (11160, 1701374), (11780, 1611828), (13680, 1387963), (14136, 1343190), (17670, 1074552), (21204, 895460), (22320, 850687), (23560, 805914), (26505, 716368), (28272, 671595), (35340, 537276), (42408, 447730), (44773, 424080), (47120, 402957), (53010, 358184), (70680, 268638), (84816, 223865), (89546, 212040), (106020, 179092), (134319, 141360)]