18717616

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7177}}^1$

素因数の和:7348

約数の個数: 20

約数和(自身を含む): 36492952

約数和(自身を除く): 17775336

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7177, 14354, 28708, 57416, 114832, 1169851, 2339702, 4679404, 9358808, 18717616]

約数ペア:

[(1, 18717616), (2, 9358808), (4, 4679404), (8, 2339702), (16, 1169851), (163, 114832), (326, 57416), (652, 28708), (1304, 14354), (2608, 7177)]