19791272

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{21893}}^1$

素因数の和:22012

約数の個数: 16

約数和(自身を含む): 37438740

約数和(自身を除く): 17647468

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 21893, 43786, 87572, 175144, 2473909, 4947818, 9895636, 19791272]

約数ペア:

[(1, 19791272), (2, 9895636), (4, 4947818), (8, 2473909), (113, 175144), (226, 87572), (452, 43786), (904, 21893)]