18438628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2551}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 35013440

約数和(自身を除く): 16574812

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 2551, 3614, 5102, 7228, 10204, 33163, 66326, 132652, 354589, 709178, 1418356, 4609657, 9219314, 18438628]

約数ペア:

[(1, 18438628), (2, 9219314), (4, 4609657), (13, 1418356), (26, 709178), (52, 354589), (139, 132652), (278, 66326), (556, 33163), (1807, 10204), (2551, 7228), (3614, 5102)]