18031671

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3623}}^1$

素因数の和:3715

約数の個数: 24

約数和(自身を含む): 30151680

約数和(自身を除く): 12120009

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 3623, 4977, 10869, 25361, 32607, 76083, 228249, 286217, 858651, 2003519, 2575953, 6010557, 18031671]

約数ペア:

[(1, 18031671), (3, 6010557), (7, 2575953), (9, 2003519), (21, 858651), (63, 286217), (79, 228249), (237, 76083), (553, 32607), (711, 25361), (1659, 10869), (3623, 4977)]