18181292

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 32862144

約数和(自身を除く): 14680852

約数列:

[1, 2, 4, 47, 94, 97, 188, 194, 388, 997, 1994, 3988, 4559, 9118, 18236, 46859, 93718, 96709, 187436, 193418, 386836, 4545323, 9090646, 18181292]

約数ペア:

[(1, 18181292), (2, 9090646), (4, 4545323), (47, 386836), (94, 193418), (97, 187436), (188, 96709), (194, 93718), (388, 46859), (997, 18236), (1994, 9118), (3988, 4559)]