18931186256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{62273639}}^1$

素因数の和:62273666

約数の個数: 20

約数和(自身を含む): 38609656800

約数和(自身を除く): 19678470544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 62273639, 124547278, 249094556, 498189112, 996378224, 1183199141, 2366398282, 4732796564, 9465593128, 18931186256]

約数ペア:

[(1, 18931186256), (2, 9465593128), (4, 4732796564), (8, 2366398282), (16, 1183199141), (19, 996378224), (38, 498189112), (76, 249094556), (152, 124547278), (304, 62273639)]