18805468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 39287808

約数和(自身を除く): 20482340

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 124, 187, 341, 374, 527, 682, 748, 811, 1054, 1364, 1622, 2108, 3244, 5797, 8921, 11594, 13787, 17842, 23188, 25141, 27574, 35684, 50282, 55148, 100564, 151657, 276551, 303314, 427397, 553102, 606628, 854794, 1106204, 1709588, 4701367, 9402734, 18805468]

約数ペア:

[(1, 18805468), (2, 9402734), (4, 4701367), (11, 1709588), (17, 1106204), (22, 854794), (31, 606628), (34, 553102), (44, 427397), (62, 303314), (68, 276551), (124, 151657), (187, 100564), (341, 55148), (374, 50282), (527, 35684), (682, 27574), (748, 25141), (811, 23188), (1054, 17842), (1364, 13787), (1622, 11594), (2108, 8921), (3244, 5797)]