18758910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8807}}^1$

素因数の和:8888

約数の個数: 32

約数和(自身を含む): 45660672

約数和(自身を除く): 26901762

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 8807, 17614, 26421, 44035, 52842, 88070, 132105, 264210, 625297, 1250594, 1875891, 3126485, 3751782, 6252970, 9379455, 18758910]

約数ペア:

[(1, 18758910), (2, 9379455), (3, 6252970), (5, 3751782), (6, 3126485), (10, 1875891), (15, 1250594), (30, 625297), (71, 264210), (142, 132105), (213, 88070), (355, 52842), (426, 44035), (710, 26421), (1065, 17614), (2130, 8807)]