18031475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:93

約数の個数: 96

約数和(自身を含む): 32140800

約数和(自身を除く): 14109325

約数列:

[1, 5, 7, 11, 17, 19, 25, 29, 35, 55, 77, 85, 95, 119, 133, 145, 175, 187, 203, 209, 275, 319, 323, 385, 425, 475, 493, 551, 595, 665, 725, 935, 1015, 1045, 1309, 1463, 1595, 1615, 1925, 2233, 2261, 2465, 2755, 2975, 3325, 3451, 3553, 3857, 4675, 5075, 5225, 5423, 6061, 6545, 7315, 7975, 8075, 9367, 11165, 11305, 12325, 13775, 17255, 17765, 19285, 24871, 27115, 30305, 32725, 36575, 37961, 42427, 46835, 55825, 56525, 65569, 86275, 88825, 96425, 103037, 124355, 135575, 151525, 189805, 212135, 234175, 327845, 515185, 621775, 721259, 949025, 1060675, 1639225, 2575925, 3606295, 18031475]

約数ペア:

[(1, 18031475), (5, 3606295), (7, 2575925), (11, 1639225), (17, 1060675), (19, 949025), (25, 721259), (29, 621775), (35, 515185), (55, 327845), (77, 234175), (85, 212135), (95, 189805), (119, 151525), (133, 135575), (145, 124355), (175, 103037), (187, 96425), (203, 88825), (209, 86275), (275, 65569), (319, 56525), (323, 55825), (385, 46835), (425, 42427), (475, 37961), (493, 36575), (551, 32725), (595, 30305), (665, 27115), (725, 24871), (935, 19285), (1015, 17765), (1045, 17255), (1309, 13775), (1463, 12325), (1595, 11305), (1615, 11165), (1925, 9367), (2233, 8075), (2261, 7975), (2465, 7315), (2755, 6545), (2975, 6061), (3325, 5423), (3451, 5225), (3553, 5075), (3857, 4675)]