18718762

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1873}}^1$

素因数の和:2157

約数の個数: 16

約数和(自身を含む): 29684160

約数和(自身を除く): 10965398

約数列:

[1, 2, 19, 38, 263, 526, 1873, 3746, 4997, 9994, 35587, 71174, 492599, 985198, 9359381, 18718762]

約数ペア:

[(1, 18718762), (2, 9359381), (19, 985198), (38, 492599), (263, 71174), (526, 35587), (1873, 9994), (3746, 4997)]