18788666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23311}}^1$

素因数の和:23357

約数の個数: 16

約数和(自身を含む): 31331328

約数和(自身を除く): 12542662

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23311, 46622, 303043, 606086, 722641, 1445282, 9394333, 18788666]

約数ペア:

[(1, 18788666), (2, 9394333), (13, 1445282), (26, 722641), (31, 606086), (62, 303043), (403, 46622), (806, 23311)]