18778142

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:995

約数の個数: 16

約数和(自身を含む): 28743360

約数和(自身を除く): 9965218

約数列:

[1, 2, 79, 157, 158, 314, 757, 1514, 12403, 24806, 59803, 118849, 119606, 237698, 9389071, 18778142]

約数ペア:

[(1, 18778142), (2, 9389071), (79, 237698), (157, 119606), (158, 118849), (314, 59803), (757, 24806), (1514, 12403)]