201872644

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139801}}^1$

素因数の和:139843

約数の個数: 18

約数和(自身を含む): 372851934

約数和(自身を除く): 170979290

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 139801, 279602, 559204, 2656219, 5312438, 10624876, 50468161, 100936322, 201872644]

約数ペア:

[(1, 201872644), (2, 100936322), (4, 50468161), (19, 10624876), (38, 5312438), (76, 2656219), (361, 559204), (722, 279602), (1444, 139801)]