12638418

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 27361152

約数和(自身を除く): 14722734

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 311, 521, 622, 933, 1042, 1563, 1866, 3126, 4043, 6773, 8086, 12129, 13546, 20319, 24258, 40638, 162031, 324062, 486093, 972186, 2106403, 4212806, 6319209, 12638418]

約数ペア:

[(1, 12638418), (2, 6319209), (3, 4212806), (6, 2106403), (13, 972186), (26, 486093), (39, 324062), (78, 162031), (311, 40638), (521, 24258), (622, 20319), (933, 13546), (1042, 12129), (1563, 8086), (1866, 6773), (3126, 4043)]