18901652

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{797}}^1$

素因数の和:837

約数の個数: 54

約数和(自身を含む): 42347466

約数和(自身を除く): 23445814

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 797, 847, 1078, 1594, 1694, 2156, 3188, 3388, 5579, 5929, 8767, 11158, 11858, 17534, 22316, 23716, 35068, 39053, 61369, 78106, 96437, 122738, 156212, 192874, 245476, 385748, 429583, 675059, 859166, 1350118, 1718332, 2700236, 4725413, 9450826, 18901652]

約数ペア:

[(1, 18901652), (2, 9450826), (4, 4725413), (7, 2700236), (11, 1718332), (14, 1350118), (22, 859166), (28, 675059), (44, 429583), (49, 385748), (77, 245476), (98, 192874), (121, 156212), (154, 122738), (196, 96437), (242, 78106), (308, 61369), (484, 39053), (539, 35068), (797, 23716), (847, 22316), (1078, 17534), (1594, 11858), (1694, 11158), (2156, 8767), (3188, 5929), (3388, 5579)]