18904890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{630163}}^1$

素因数の和:630173

約数の個数: 16

約数和(自身を含む): 45371808

約数和(自身を除く): 26466918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 630163, 1260326, 1890489, 3150815, 3780978, 6301630, 9452445, 18904890]

約数ペア:

[(1, 18904890), (2, 9452445), (3, 6301630), (5, 3780978), (6, 3150815), (10, 1890489), (15, 1260326), (30, 630163)]