18204369

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 25783968

約数和(自身を除く): 7579599

約数列:

[1, 3, 41, 47, 67, 123, 141, 201, 1927, 2209, 2747, 3149, 5781, 6627, 8241, 9447, 90569, 129109, 148003, 271707, 387327, 444009, 6068123, 18204369]

約数ペア:

[(1, 18204369), (3, 6068123), (41, 444009), (47, 387327), (67, 271707), (123, 148003), (141, 129109), (201, 90569), (1927, 9447), (2209, 8241), (2747, 6627), (3149, 5781)]