18789586

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{661}}^1$

素因数の和:957

約数の個数: 16

約数和(自身を含む): 28812888

約数和(自身を除く): 10023302

約数列:

[1, 2, 61, 122, 233, 466, 661, 1322, 14213, 28426, 40321, 80642, 154013, 308026, 9394793, 18789586]

約数ペア:

[(1, 18789586), (2, 9394793), (61, 308026), (122, 154013), (233, 80642), (466, 40321), (661, 28426), (1322, 14213)]