18730868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{12421}}^1$

素因数の和:12467

約数の個数: 24

約数和(自身を含む): 36520680

約数和(自身を除く): 17789812

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 12421, 24842, 49684, 161473, 322946, 360209, 645892, 720418, 1440836, 4682717, 9365434, 18730868]

約数ペア:

[(1, 18730868), (2, 9365434), (4, 4682717), (13, 1440836), (26, 720418), (29, 645892), (52, 360209), (58, 322946), (116, 161473), (377, 49684), (754, 24842), (1508, 12421)]