18369621

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{43427}}^1$

素因数の和:43480

約数の個数: 12

約数和(自身を含む): 27099072

約数和(自身を除く): 8729451

約数列:

[1, 3, 9, 47, 141, 423, 43427, 130281, 390843, 2041069, 6123207, 18369621]

約数ペア:

[(1, 18369621), (3, 6123207), (9, 2041069), (47, 390843), (141, 130281), (423, 43427)]