18831554

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22051}}^1$

素因数の和:22121

約数の個数: 16

約数和(自身を含む): 32813376

約数和(自身を除く): 13981822

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 22051, 44102, 154357, 308714, 1345111, 2690222, 9415777, 18831554]

約数ペア:

[(1, 18831554), (2, 9415777), (7, 2690222), (14, 1345111), (61, 308714), (122, 154357), (427, 44102), (854, 22051)]