19916216

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{31513}}^1$

素因数の和:31598

約数の個数: 16

約数和(自身を含む): 37816800

約数和(自身を除く): 17900584

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 31513, 63026, 126052, 252104, 2489527, 4979054, 9958108, 19916216]

約数ペア:

[(1, 19916216), (2, 9958108), (4, 4979054), (8, 2489527), (79, 252104), (158, 126052), (316, 63026), (632, 31513)]