18977946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{521}}^1$

素因数の和:1006

約数の個数: 32

約数和(自身を含む): 41041728

約数和(自身を除く): 22063782

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 467, 521, 934, 1042, 1401, 1563, 2802, 3126, 6071, 6773, 12142, 13546, 18213, 20319, 36426, 40638, 243307, 486614, 729921, 1459842, 3162991, 6325982, 9488973, 18977946]

約数ペア:

[(1, 18977946), (2, 9488973), (3, 6325982), (6, 3162991), (13, 1459842), (26, 729921), (39, 486614), (78, 243307), (467, 40638), (521, 36426), (934, 20319), (1042, 18213), (1401, 13546), (1563, 12142), (2802, 6773), (3126, 6071)]