2018051275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3407}}^1$

素因数の和:3508

約数の個数: 48

約数和(自身を含む): 2789107200

約数和(自身を除く): 771055925

約数列:

[1, 5, 19, 25, 29, 43, 95, 145, 215, 475, 551, 725, 817, 1075, 1247, 2755, 3407, 4085, 6235, 13775, 17035, 20425, 23693, 31175, 64733, 85175, 98803, 118465, 146501, 323665, 494015, 592325, 732505, 1618325, 1877257, 2470075, 2783519, 3662525, 4248529, 9386285, 13917595, 21242645, 46931425, 69587975, 80722051, 106213225, 403610255, 2018051275]

約数ペア:

[(1, 2018051275), (5, 403610255), (19, 106213225), (25, 80722051), (29, 69587975), (43, 46931425), (95, 21242645), (145, 13917595), (215, 9386285), (475, 4248529), (551, 3662525), (725, 2783519), (817, 2470075), (1075, 1877257), (1247, 1618325), (2755, 732505), (3407, 592325), (4085, 494015), (6235, 323665), (13775, 146501), (17035, 118465), (20425, 98803), (23693, 85175), (31175, 64733)]