18531664

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 37185120

約数和(自身を除く): 18653456

約数列:

[1, 2, 4, 8, 16, 59, 67, 118, 134, 236, 268, 293, 472, 536, 586, 944, 1072, 1172, 2344, 3953, 4688, 7906, 15812, 17287, 19631, 31624, 34574, 39262, 63248, 69148, 78524, 138296, 157048, 276592, 314096, 1158229, 2316458, 4632916, 9265832, 18531664]

約数ペア:

[(1, 18531664), (2, 9265832), (4, 4632916), (8, 2316458), (16, 1158229), (59, 314096), (67, 276592), (118, 157048), (134, 138296), (236, 78524), (268, 69148), (293, 63248), (472, 39262), (536, 34574), (586, 31624), (944, 19631), (1072, 17287), (1172, 15812), (2344, 7906), (3953, 4688)]