18656837895

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{7057}}^1$

素因数の和:7264

約数の個数: 64

約数和(自身を含む): 31872798720

約数和(自身を除く): 13215960825

約数列:

[1, 3, 5, 15, 23, 69, 79, 97, 115, 237, 291, 345, 395, 485, 1185, 1455, 1817, 2231, 5451, 6693, 7057, 7663, 9085, 11155, 21171, 22989, 27255, 33465, 35285, 38315, 105855, 114945, 162311, 176249, 486933, 528747, 557503, 684529, 811555, 881245, 1672509, 2053587, 2434665, 2643735, 2787515, 3422645, 8362545, 10267935, 12822569, 15744167, 38467707, 47232501, 54077791, 64112845, 78720835, 162233373, 192338535, 236162505, 270388955, 811166865, 1243789193, 3731367579, 6218945965, 18656837895]

約数ペア:

[(1, 18656837895), (3, 6218945965), (5, 3731367579), (15, 1243789193), (23, 811166865), (69, 270388955), (79, 236162505), (97, 192338535), (115, 162233373), (237, 78720835), (291, 64112845), (345, 54077791), (395, 47232501), (485, 38467707), (1185, 15744167), (1455, 12822569), (1817, 10267935), (2231, 8362545), (5451, 3422645), (6693, 2787515), (7057, 2643735), (7663, 2434665), (9085, 2053587), (11155, 1672509), (21171, 881245), (22989, 811555), (27255, 684529), (33465, 557503), (35285, 528747), (38315, 486933), (105855, 176249), (114945, 162311)]