18685278

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 43215120

約数和(自身を除く): 24529842

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 227, 269, 306, 454, 538, 681, 807, 1362, 1614, 2043, 2421, 3859, 4086, 4573, 4842, 7718, 9146, 11577, 13719, 23154, 27438, 34731, 41157, 61063, 69462, 82314, 122126, 183189, 366378, 549567, 1038071, 1099134, 2076142, 3114213, 6228426, 9342639, 18685278]

約数ペア:

[(1, 18685278), (2, 9342639), (3, 6228426), (6, 3114213), (9, 2076142), (17, 1099134), (18, 1038071), (34, 549567), (51, 366378), (102, 183189), (153, 122126), (227, 82314), (269, 69462), (306, 61063), (454, 41157), (538, 34731), (681, 27438), (807, 23154), (1362, 13719), (1614, 11577), (2043, 9146), (2421, 7718), (3859, 4842), (4086, 4573)]