19160325

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 36830976

約数和(自身を除く): 17670651

約数列:

[1, 3, 5, 9, 15, 25, 31, 41, 45, 67, 75, 93, 123, 155, 201, 205, 225, 279, 335, 369, 465, 603, 615, 775, 1005, 1025, 1271, 1395, 1675, 1845, 2077, 2325, 2747, 3015, 3075, 3813, 5025, 6231, 6355, 6975, 8241, 9225, 10385, 11439, 13735, 15075, 18693, 19065, 24723, 31155, 31775, 41205, 51925, 57195, 68675, 85157, 93465, 95325, 123615, 155775, 206025, 255471, 285975, 425785, 467325, 618075, 766413, 1277355, 2128925, 3832065, 6386775, 19160325]

約数ペア:

[(1, 19160325), (3, 6386775), (5, 3832065), (9, 2128925), (15, 1277355), (25, 766413), (31, 618075), (41, 467325), (45, 425785), (67, 285975), (75, 255471), (93, 206025), (123, 155775), (155, 123615), (201, 95325), (205, 93465), (225, 85157), (279, 68675), (335, 57195), (369, 51925), (465, 41205), (603, 31775), (615, 31155), (775, 24723), (1005, 19065), (1025, 18693), (1271, 15075), (1395, 13735), (1675, 11439), (1845, 10385), (2077, 9225), (2325, 8241), (2747, 6975), (3015, 6355), (3075, 6231), (3813, 5025)]