18643018

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 24

約数和(自身を含む): 29782368

約数和(自身を除く): 11139350

約数列:

[1, 2, 23, 46, 67, 134, 263, 526, 529, 1058, 1541, 3082, 6049, 12098, 17621, 35242, 35443, 70886, 139127, 278254, 405283, 810566, 9321509, 18643018]

約数ペア:

[(1, 18643018), (2, 9321509), (23, 810566), (46, 405283), (67, 278254), (134, 139127), (263, 70886), (526, 35443), (529, 35242), (1058, 17621), (1541, 12098), (3082, 6049)]