18491698

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 28185696

約数和(自身を除く): 9693998

約数列:

[1, 2, 131, 163, 262, 326, 433, 866, 21353, 42706, 56723, 70579, 113446, 141158, 9245849, 18491698]

約数ペア:

[(1, 18491698), (2, 9245849), (131, 141158), (163, 113446), (262, 70579), (326, 56723), (433, 42706), (866, 21353)]