18910045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{49117}}^1$

素因数の和:49140

約数の個数: 16

約数和(自身を含む): 28291968

約数和(自身を除く): 9381923

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 49117, 245585, 343819, 540287, 1719095, 2701435, 3782009, 18910045]

約数ペア:

[(1, 18910045), (5, 3782009), (7, 2701435), (11, 1719095), (35, 540287), (55, 343819), (77, 245585), (385, 49117)]