9919376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{15121}}^1$

素因数の和:15170

約数の個数: 20

約数和(自身を含む): 19688844

約数和(自身を除く): 9769468

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 15121, 30242, 60484, 120968, 241936, 619961, 1239922, 2479844, 4959688, 9919376]

約数ペア:

[(1, 9919376), (2, 4959688), (4, 2479844), (8, 1239922), (16, 619961), (41, 241936), (82, 120968), (164, 60484), (328, 30242), (656, 15121)]