19960016

素因数分解:

$2^4\times {\mathrm{1247501}}^1$

素因数の和:1247509

約数の個数: 10

約数和(自身を含む): 38672562

約数和(自身を除く): 18712546

約数列:

[1, 2, 4, 8, 16, 1247501, 2495002, 4990004, 9980008, 19960016]

約数ペア:

[(1, 19960016), (2, 9980008), (4, 4990004), (8, 2495002), (16, 1247501)]