19257722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20357}}^1$

素因数の和:20413

約数の個数: 16

約数和(自身を含む): 32247072

約数和(自身を除く): 12989350

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20357, 40714, 223927, 447854, 875351, 1750702, 9628861, 19257722]

約数ペア:

[(1, 19257722), (2, 9628861), (11, 1750702), (22, 875351), (43, 447854), (86, 223927), (473, 40714), (946, 20357)]