18917668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3613}}^1$

素因数の和:3652

約数の個数: 48

約数和(自身を含む): 43714944

約数和(自身を除く): 24797276

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3613, 5236, 7226, 14452, 25291, 39743, 50582, 61421, 79486, 101164, 122842, 158972, 245684, 278201, 429947, 556402, 675631, 859894, 1112804, 1351262, 1719788, 2702524, 4729417, 9458834, 18917668]

約数ペア:

[(1, 18917668), (2, 9458834), (4, 4729417), (7, 2702524), (11, 1719788), (14, 1351262), (17, 1112804), (22, 859894), (28, 675631), (34, 556402), (44, 429947), (68, 278201), (77, 245684), (119, 158972), (154, 122842), (187, 101164), (238, 79486), (308, 61421), (374, 50582), (476, 39743), (748, 25291), (1309, 14452), (2618, 7226), (3613, 5236)]