18411272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 41264640

約数和(自身を除く): 22853368

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 187, 248, 341, 374, 397, 527, 682, 748, 794, 1054, 1364, 1496, 1588, 2108, 2728, 3176, 4216, 4367, 5797, 6749, 8734, 11594, 12307, 13498, 17468, 23188, 24614, 26996, 34936, 46376, 49228, 53992, 74239, 98456, 135377, 148478, 209219, 270754, 296956, 418438, 541508, 593912, 836876, 1083016, 1673752, 2301409, 4602818, 9205636, 18411272]

約数ペア:

[(1, 18411272), (2, 9205636), (4, 4602818), (8, 2301409), (11, 1673752), (17, 1083016), (22, 836876), (31, 593912), (34, 541508), (44, 418438), (62, 296956), (68, 270754), (88, 209219), (124, 148478), (136, 135377), (187, 98456), (248, 74239), (341, 53992), (374, 49228), (397, 46376), (527, 34936), (682, 26996), (748, 24614), (794, 23188), (1054, 17468), (1364, 13498), (1496, 12307), (1588, 11594), (2108, 8734), (2728, 6749), (3176, 5797), (4216, 4367)]