19811814

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:997

約数の個数: 48

約数和(自身を含む): 45102960

約数和(自身を除く): 25291146

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 121, 174, 242, 319, 363, 638, 726, 941, 957, 1882, 1914, 2823, 3509, 5646, 7018, 10351, 10527, 20702, 21054, 27289, 31053, 54578, 62106, 81867, 113861, 163734, 227722, 300179, 341583, 600358, 683166, 900537, 1801074, 3301969, 6603938, 9905907, 19811814]

約数ペア:

[(1, 19811814), (2, 9905907), (3, 6603938), (6, 3301969), (11, 1801074), (22, 900537), (29, 683166), (33, 600358), (58, 341583), (66, 300179), (87, 227722), (121, 163734), (174, 113861), (242, 81867), (319, 62106), (363, 54578), (638, 31053), (726, 27289), (941, 21054), (957, 20702), (1882, 10527), (1914, 10351), (2823, 7018), (3509, 5646)]