19730556

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{18899}}^1$

素因数の和:18938

約数の個数: 36

約数和(自身を含む): 51597000

約数和(自身を除く): 31866444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 18899, 37798, 56697, 75596, 113394, 170091, 226788, 340182, 548071, 680364, 1096142, 1644213, 2192284, 3288426, 4932639, 6576852, 9865278, 19730556]

約数ペア:

[(1, 19730556), (2, 9865278), (3, 6576852), (4, 4932639), (6, 3288426), (9, 2192284), (12, 1644213), (18, 1096142), (29, 680364), (36, 548071), (58, 340182), (87, 226788), (116, 170091), (174, 113394), (261, 75596), (348, 56697), (522, 37798), (1044, 18899)]