19492048

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10781}}^1$

素因数の和:10902

約数の個数: 20

約数和(自身を含む): 38103588

約数和(自身を除く): 18611540

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10781, 21562, 43124, 86248, 172496, 1218253, 2436506, 4873012, 9746024, 19492048]

約数ペア:

[(1, 19492048), (2, 9746024), (4, 4873012), (8, 2436506), (16, 1218253), (113, 172496), (226, 86248), (452, 43124), (904, 21562), (1808, 10781)]