18428795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 27841536

約数和(自身を除く): 9412741

約数列:

[1, 5, 7, 11, 35, 55, 77, 151, 317, 385, 755, 1057, 1585, 1661, 2219, 3487, 5285, 8305, 11095, 11627, 17435, 24409, 47867, 58135, 122045, 239335, 335069, 526537, 1675345, 2632685, 3685759, 18428795]

約数ペア:

[(1, 18428795), (5, 3685759), (7, 2632685), (11, 1675345), (35, 526537), (55, 335069), (77, 239335), (151, 122045), (317, 58135), (385, 47867), (755, 24409), (1057, 17435), (1585, 11627), (1661, 11095), (2219, 8305), (3487, 5285)]