19629990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{218111}}^1$

素因数の和:218124

約数の個数: 24

約数和(自身を含む): 51038208

約数和(自身を除く): 31408218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 218111, 436222, 654333, 1090555, 1308666, 1962999, 2181110, 3271665, 3925998, 6543330, 9814995, 19629990]

約数ペア:

[(1, 19629990), (2, 9814995), (3, 6543330), (5, 3925998), (6, 3271665), (9, 2181110), (10, 1962999), (15, 1308666), (18, 1090555), (30, 654333), (45, 436222), (90, 218111)]