19461978065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{8287}}^1$

素因数の和:8789

約数の個数: 32

約数和(自身を含む): 25062912000

約数和(自身を除く): 5600933935

約数列:

[1, 5, 19, 59, 95, 295, 419, 1121, 2095, 5605, 7961, 8287, 24721, 39805, 41435, 123605, 157453, 469699, 488933, 787265, 2348495, 2444665, 3472253, 9289727, 17361265, 46448635, 65972807, 204862927, 329864035, 1024314635, 3892395613, 19461978065]

約数ペア:

[(1, 19461978065), (5, 3892395613), (19, 1024314635), (59, 329864035), (95, 204862927), (295, 65972807), (419, 46448635), (1121, 17361265), (2095, 9289727), (5605, 3472253), (7961, 2444665), (8287, 2348495), (24721, 787265), (39805, 488933), (41435, 469699), (123605, 157453)]