18970232

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139487}}^1$

素因数の和:139510

約数の個数: 16

約数和(自身を含む): 37661760

約数和(自身を除く): 18691528

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139487, 278974, 557948, 1115896, 2371279, 4742558, 9485116, 18970232]

約数ペア:

[(1, 18970232), (2, 9485116), (4, 4742558), (8, 2371279), (17, 1115896), (34, 557948), (68, 278974), (136, 139487)]