11857780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53899}}^1$

素因数の和:53919

約数の個数: 24

約数和(自身を含む): 27165600

約数和(自身を除く): 15307820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 53899, 107798, 215596, 269495, 538990, 592889, 1077980, 1185778, 2371556, 2964445, 5928890, 11857780]

約数ペア:

[(1, 11857780), (2, 5928890), (4, 2964445), (5, 2371556), (10, 1185778), (11, 1077980), (20, 592889), (22, 538990), (44, 269495), (55, 215596), (110, 107798), (220, 53899)]