19737850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2151

約数の個数: 48

約数和(自身を含む): 42425856

約数和(自身を除く): 22688006

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 275, 374, 425, 550, 850, 935, 1870, 2111, 4222, 4675, 9350, 10555, 21110, 23221, 35887, 46442, 52775, 71774, 105550, 116105, 179435, 232210, 358870, 394757, 580525, 789514, 897175, 1161050, 1794350, 1973785, 3947570, 9868925, 19737850]

約数ペア:

[(1, 19737850), (2, 9868925), (5, 3947570), (10, 1973785), (11, 1794350), (17, 1161050), (22, 897175), (25, 789514), (34, 580525), (50, 394757), (55, 358870), (85, 232210), (110, 179435), (170, 116105), (187, 105550), (275, 71774), (374, 52775), (425, 46442), (550, 35887), (850, 23221), (935, 21110), (1870, 10555), (2111, 9350), (4222, 4675)]