18924789

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 27611040

約数和(自身を除く): 8686251

約数列:

[1, 3, 13, 39, 163, 169, 229, 489, 507, 687, 2119, 2977, 6357, 8931, 27547, 37327, 38701, 82641, 111981, 116103, 485251, 1455753, 6308263, 18924789]

約数ペア:

[(1, 18924789), (3, 6308263), (13, 1455753), (39, 485251), (163, 116103), (169, 111981), (229, 82641), (489, 38701), (507, 37327), (687, 27547), (2119, 8931), (2977, 6357)]