2018081990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1627}}^1\times {\mathrm{1747}}^1$

素因数の和:3452

約数の個数: 32

約数和(自身を含む): 3688084224

約数和(自身を除く): 1670002234

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 1627, 1747, 3254, 3494, 8135, 8735, 16270, 17470, 115517, 124037, 231034, 248074, 577585, 620185, 1155170, 1240370, 2842369, 5684738, 14211845, 28423690, 201808199, 403616398, 1009040995, 2018081990]

約数ペア:

[(1, 2018081990), (2, 1009040995), (5, 403616398), (10, 201808199), (71, 28423690), (142, 14211845), (355, 5684738), (710, 2842369), (1627, 1240370), (1747, 1155170), (3254, 620185), (3494, 577585), (8135, 248074), (8735, 231034), (16270, 124037), (17470, 115517)]