15641968

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{5651}}^1$

素因数の和:5832

約数の個数: 20

約数和(自身を含む): 30486888

約数和(自身を除く): 14844920

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 5651, 11302, 22604, 45208, 90416, 977623, 1955246, 3910492, 7820984, 15641968]

約数ペア:

[(1, 15641968), (2, 7820984), (4, 3910492), (8, 1955246), (16, 977623), (173, 90416), (346, 45208), (692, 22604), (1384, 11302), (2768, 5651)]