18238196

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 32659200

約数和(自身を除く): 14421004

約数列:

[1, 2, 4, 71, 142, 149, 284, 298, 431, 596, 862, 1724, 10579, 21158, 30601, 42316, 61202, 64219, 122404, 128438, 256876, 4559549, 9119098, 18238196]

約数ペア:

[(1, 18238196), (2, 9119098), (4, 4559549), (71, 256876), (142, 128438), (149, 122404), (284, 64219), (298, 61202), (431, 42316), (596, 30601), (862, 21158), (1724, 10579)]