389664018

素因数分解:

$2^1\times 3^2\times {\mathrm{21648001}}^1$

素因数の和:21648009

約数の個数: 12

約数和(自身を含む): 844272078

約数和(自身を除く): 454608060

約数列:

[1, 2, 3, 6, 9, 18, 21648001, 43296002, 64944003, 129888006, 194832009, 389664018]

約数ペア:

[(1, 389664018), (2, 194832009), (3, 129888006), (6, 64944003), (9, 43296002), (18, 21648001)]