19858550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 39854592

約数和(自身を除く): 19996042

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 61, 85, 122, 170, 305, 383, 425, 610, 766, 850, 1037, 1525, 1915, 2074, 3050, 3830, 5185, 6511, 9575, 10370, 13022, 19150, 23363, 25925, 32555, 46726, 51850, 65110, 116815, 162775, 233630, 325550, 397171, 584075, 794342, 1168150, 1985855, 3971710, 9929275, 19858550]

約数ペア:

[(1, 19858550), (2, 9929275), (5, 3971710), (10, 1985855), (17, 1168150), (25, 794342), (34, 584075), (50, 397171), (61, 325550), (85, 233630), (122, 162775), (170, 116815), (305, 65110), (383, 51850), (425, 46726), (610, 32555), (766, 25925), (850, 23363), (1037, 19150), (1525, 13022), (1915, 10370), (2074, 9575), (3050, 6511), (3830, 5185)]