18796320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 69552000

約数和(自身を除く): 50755680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 171, 180, 190, 216, 228, 229, 240, 270, 285, 288, 304, 342, 360, 380, 432, 456, 458, 480, 513, 540, 570, 608, 684, 687, 720, 760, 855, 864, 912, 916, 1026, 1080, 1140, 1145, 1368, 1374, 1440, 1520, 1710, 1824, 1832, 2052, 2061, 2160, 2280, 2290, 2565, 2736, 2748, 3040, 3420, 3435, 3664, 4104, 4122, 4320, 4351, 4560, 4580, 5130, 5472, 5496, 6183, 6840, 6870, 7328, 8208, 8244, 8702, 9120, 9160, 10260, 10305, 10992, 12366, 13053, 13680, 13740, 16416, 16488, 17404, 18320, 20520, 20610, 21755, 21984, 24732, 26106, 27360, 27480, 30915, 32976, 34808, 36640, 39159, 41040, 41220, 43510, 49464, 52212, 54960, 61830, 65265, 65952, 69616, 78318, 82080, 82440, 87020, 98928, 104424, 109920, 117477, 123660, 130530, 139232, 156636, 164880, 174040, 195795, 197856, 208848, 234954, 247320, 261060, 313272, 329760, 348080, 391590, 417696, 469908, 494640, 522120, 587385, 626544, 696160, 783180, 939816, 989280, 1044240, 1174770, 1253088, 1566360, 1879632, 2088480, 2349540, 3132720, 3759264, 4699080, 6265440, 9398160, 18796320]

約数ペア:

[(1, 18796320), (2, 9398160), (3, 6265440), (4, 4699080), (5, 3759264), (6, 3132720), (8, 2349540), (9, 2088480), (10, 1879632), (12, 1566360), (15, 1253088), (16, 1174770), (18, 1044240), (19, 989280), (20, 939816), (24, 783180), (27, 696160), (30, 626544), (32, 587385), (36, 522120), (38, 494640), (40, 469908), (45, 417696), (48, 391590), (54, 348080), (57, 329760), (60, 313272), (72, 261060), (76, 247320), (80, 234954), (90, 208848), (95, 197856), (96, 195795), (108, 174040), (114, 164880), (120, 156636), (135, 139232), (144, 130530), (152, 123660), (160, 117477), (171, 109920), (180, 104424), (190, 98928), (216, 87020), (228, 82440), (229, 82080), (240, 78318), (270, 69616), (285, 65952), (288, 65265), (304, 61830), (342, 54960), (360, 52212), (380, 49464), (432, 43510), (456, 41220), (458, 41040), (480, 39159), (513, 36640), (540, 34808), (570, 32976), (608, 30915), (684, 27480), (687, 27360), (720, 26106), (760, 24732), (855, 21984), (864, 21755), (912, 20610), (916, 20520), (1026, 18320), (1080, 17404), (1140, 16488), (1145, 16416), (1368, 13740), (1374, 13680), (1440, 13053), (1520, 12366), (1710, 10992), (1824, 10305), (1832, 10260), (2052, 9160), (2061, 9120), (2160, 8702), (2280, 8244), (2290, 8208), (2565, 7328), (2736, 6870), (2748, 6840), (3040, 6183), (3420, 5496), (3435, 5472), (3664, 5130), (4104, 4580), (4122, 4560), (4320, 4351)]