19156760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2256

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 31715560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 2207, 4340, 4414, 8680, 8828, 11035, 15449, 17656, 22070, 30898, 44140, 61796, 68417, 77245, 88280, 123592, 136834, 154490, 273668, 308980, 342085, 478919, 547336, 617960, 684170, 957838, 1368340, 1915676, 2394595, 2736680, 3831352, 4789190, 9578380, 19156760]

約数ペア:

[(1, 19156760), (2, 9578380), (4, 4789190), (5, 3831352), (7, 2736680), (8, 2394595), (10, 1915676), (14, 1368340), (20, 957838), (28, 684170), (31, 617960), (35, 547336), (40, 478919), (56, 342085), (62, 308980), (70, 273668), (124, 154490), (140, 136834), (155, 123592), (217, 88280), (248, 77245), (280, 68417), (310, 61796), (434, 44140), (620, 30898), (868, 22070), (1085, 17656), (1240, 15449), (1736, 11035), (2170, 8828), (2207, 8680), (4340, 4414)]