19815652

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{73939}}^1$

素因数の和:74010

約数の個数: 12

約数和(自身を含む): 35195440

約数和(自身を除く): 15379788

約数列:

[1, 2, 4, 67, 134, 268, 73939, 147878, 295756, 4953913, 9907826, 19815652]

約数ペア:

[(1, 19815652), (2, 9907826), (4, 4953913), (67, 295756), (134, 147878), (268, 73939)]