18896247

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2953}}^1$

素因数の和:3044

約数の個数: 20

約数和(自身を含む): 28594720

約数和(自身を除く): 9698473

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 2953, 6399, 8859, 26577, 79731, 233287, 239193, 699861, 2099583, 6298749, 18896247]

約数ペア:

[(1, 18896247), (3, 6298749), (9, 2099583), (27, 699861), (79, 239193), (81, 233287), (237, 79731), (711, 26577), (2133, 8859), (2953, 6399)]