9188180

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1181}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 19361160

約数和(自身を除く): 10172980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1181, 1556, 1945, 2362, 3890, 4724, 5905, 7780, 11810, 23620, 459409, 918818, 1837636, 2297045, 4594090, 9188180]

約数ペア:

[(1, 9188180), (2, 4594090), (4, 2297045), (5, 1837636), (10, 918818), (20, 459409), (389, 23620), (778, 11810), (1181, 7780), (1556, 5905), (1945, 4724), (2362, 3890)]