18980434

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4517}}^1$

素因数の和:4721

約数の個数: 16

約数和(自身を含む): 31228416

約数和(自身を除く): 12247982

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 4517, 9034, 49687, 99374, 862747, 1725494, 9490217, 18980434]

約数ペア:

[(1, 18980434), (2, 9490217), (11, 1725494), (22, 862747), (191, 99374), (382, 49687), (2101, 9034), (4202, 4517)]