19885320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1$

素因数の和:644

約数の個数: 192

約数和(自身を含む): 79672320

約数和(自身を除く): 59787000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 607, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1214, 1260, 1365, 1560, 1638, 1820, 1821, 2184, 2340, 2428, 2520, 2730, 3035, 3276, 3640, 3642, 4095, 4249, 4680, 4856, 5460, 5463, 6070, 6552, 7284, 7891, 8190, 8498, 9105, 10920, 10926, 12140, 12747, 14568, 15782, 16380, 16996, 18210, 21245, 21852, 23673, 24280, 25494, 27315, 31564, 32760, 33992, 36420, 38241, 39455, 42490, 43704, 47346, 50988, 54630, 55237, 63128, 63735, 71019, 72840, 76482, 78910, 84980, 94692, 101976, 109260, 110474, 118365, 127470, 142038, 152964, 157820, 165711, 169960, 189384, 191205, 218520, 220948, 236730, 254940, 276185, 284076, 305928, 315640, 331422, 355095, 382410, 441896, 473460, 497133, 509880, 552370, 568152, 662844, 710190, 764820, 828555, 946920, 994266, 1104740, 1325688, 1420380, 1529640, 1657110, 1988532, 2209480, 2485665, 2840760, 3314220, 3977064, 4971330, 6628440, 9942660, 19885320]

約数ペア:

[(1, 19885320), (2, 9942660), (3, 6628440), (4, 4971330), (5, 3977064), (6, 3314220), (7, 2840760), (8, 2485665), (9, 2209480), (10, 1988532), (12, 1657110), (13, 1529640), (14, 1420380), (15, 1325688), (18, 1104740), (20, 994266), (21, 946920), (24, 828555), (26, 764820), (28, 710190), (30, 662844), (35, 568152), (36, 552370), (39, 509880), (40, 497133), (42, 473460), (45, 441896), (52, 382410), (56, 355095), (60, 331422), (63, 315640), (65, 305928), (70, 284076), (72, 276185), (78, 254940), (84, 236730), (90, 220948), (91, 218520), (104, 191205), (105, 189384), (117, 169960), (120, 165711), (126, 157820), (130, 152964), (140, 142038), (156, 127470), (168, 118365), (180, 110474), (182, 109260), (195, 101976), (210, 94692), (234, 84980), (252, 78910), (260, 76482), (273, 72840), (280, 71019), (312, 63735), (315, 63128), (360, 55237), (364, 54630), (390, 50988), (420, 47346), (455, 43704), (468, 42490), (504, 39455), (520, 38241), (546, 36420), (585, 33992), (607, 32760), (630, 31564), (728, 27315), (780, 25494), (819, 24280), (840, 23673), (910, 21852), (936, 21245), (1092, 18210), (1170, 16996), (1214, 16380), (1260, 15782), (1365, 14568), (1560, 12747), (1638, 12140), (1820, 10926), (1821, 10920), (2184, 9105), (2340, 8498), (2428, 8190), (2520, 7891), (2730, 7284), (3035, 6552), (3276, 6070), (3640, 5463), (3642, 5460), (4095, 4856), (4249, 4680)]