18181520308

素因数分解:

$2^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{2786867}}^1$

素因数の和:2787111

約数の個数: 24

約数和(自身を含む): 36519118272

約数和(自身を除く): 18337597964

約数列:

[1, 2, 4, 7, 14, 28, 233, 466, 932, 1631, 3262, 6524, 2786867, 5573734, 11147468, 19508069, 39016138, 78032276, 649340011, 1298680022, 2597360044, 4545380077, 9090760154, 18181520308]

約数ペア:

[(1, 18181520308), (2, 9090760154), (4, 4545380077), (7, 2597360044), (14, 1298680022), (28, 649340011), (233, 78032276), (466, 39016138), (932, 19508069), (1631, 11147468), (3262, 5573734), (6524, 2786867)]