18602675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 31042656

約数和(自身を除く): 12439981

約数列:

[1, 5, 7, 13, 17, 25, 35, 37, 65, 85, 91, 119, 169, 175, 185, 221, 259, 325, 425, 455, 481, 595, 629, 845, 925, 1105, 1183, 1295, 1547, 2275, 2405, 2873, 2975, 3145, 3367, 4225, 4403, 5525, 5915, 6253, 6475, 7735, 8177, 12025, 14365, 15725, 16835, 20111, 22015, 29575, 31265, 38675, 40885, 43771, 57239, 71825, 84175, 100555, 106301, 110075, 156325, 204425, 218855, 286195, 502775, 531505, 744107, 1094275, 1430975, 2657525, 3720535, 18602675]

約数ペア:

[(1, 18602675), (5, 3720535), (7, 2657525), (13, 1430975), (17, 1094275), (25, 744107), (35, 531505), (37, 502775), (65, 286195), (85, 218855), (91, 204425), (119, 156325), (169, 110075), (175, 106301), (185, 100555), (221, 84175), (259, 71825), (325, 57239), (425, 43771), (455, 40885), (481, 38675), (595, 31265), (629, 29575), (845, 22015), (925, 20111), (1105, 16835), (1183, 15725), (1295, 14365), (1547, 12025), (2275, 8177), (2405, 7735), (2873, 6475), (2975, 6253), (3145, 5915), (3367, 5525), (4225, 4403)]