18580005

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 16463835

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 701, 855, 1395, 1767, 2103, 2945, 3505, 5301, 6309, 8835, 10515, 13319, 21731, 26505, 31545, 39957, 65193, 66595, 108655, 119871, 195579, 199785, 325965, 412889, 599355, 977895, 1238667, 2064445, 3716001, 6193335, 18580005]

約数ペア:

[(1, 18580005), (3, 6193335), (5, 3716001), (9, 2064445), (15, 1238667), (19, 977895), (31, 599355), (45, 412889), (57, 325965), (93, 199785), (95, 195579), (155, 119871), (171, 108655), (279, 66595), (285, 65193), (465, 39957), (589, 31545), (701, 26505), (855, 21731), (1395, 13319), (1767, 10515), (2103, 8835), (2945, 6309), (3505, 5301)]