19742426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{4253}}^1$

素因数の和:4477

約数の個数: 16

約数和(自身を含む): 32466528

約数和(自身を除く): 12724102

約数列:

[1, 2, 11, 22, 211, 422, 2321, 4253, 4642, 8506, 46783, 93566, 897383, 1794766, 9871213, 19742426]

約数ペア:

[(1, 19742426), (2, 9871213), (11, 1794766), (22, 897383), (211, 93566), (422, 46783), (2321, 8506), (4253, 4642)]