18205154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 31752000

約数和(自身を除く): 13546846

約数列:

[1, 2, 11, 19, 22, 38, 97, 194, 209, 418, 449, 898, 1067, 1843, 2134, 3686, 4939, 8531, 9878, 17062, 20273, 40546, 43553, 87106, 93841, 187682, 479083, 827507, 958166, 1655014, 9102577, 18205154]

約数ペア:

[(1, 18205154), (2, 9102577), (11, 1655014), (19, 958166), (22, 827507), (38, 479083), (97, 187682), (194, 93841), (209, 87106), (418, 43553), (449, 40546), (898, 20273), (1067, 17062), (1843, 9878), (2134, 8531), (3686, 4939)]