18649678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1811}}^1$

素因数の和:2103

約数の個数: 16

約数和(自身を含む): 29571840

約数和(自身を除く): 10922162

約数列:

[1, 2, 19, 38, 271, 542, 1811, 3622, 5149, 10298, 34409, 68818, 490781, 981562, 9324839, 18649678]

約数ペア:

[(1, 18649678), (2, 9324839), (19, 981562), (38, 490781), (271, 68818), (542, 34409), (1811, 10298), (3622, 5149)]