18628155

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4549}}^1$

素因数の和:4580

約数の個数: 48

約数和(自身を含む): 39748800

約数和(自身を除く): 21120645

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4549, 13647, 22745, 31843, 40941, 59137, 68235, 95529, 159215, 177411, 204705, 286587, 295685, 413959, 477645, 532233, 887055, 1241877, 1432935, 2069795, 2661165, 3725631, 6209385, 18628155]

約数ペア:

[(1, 18628155), (3, 6209385), (5, 3725631), (7, 2661165), (9, 2069795), (13, 1432935), (15, 1241877), (21, 887055), (35, 532233), (39, 477645), (45, 413959), (63, 295685), (65, 286587), (91, 204705), (105, 177411), (117, 159215), (195, 95529), (273, 68235), (315, 59137), (455, 40941), (585, 31843), (819, 22745), (1365, 13647), (4095, 4549)]