19604781

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 14310099

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2207, 2961, 6621, 8883, 15449, 19863, 46347, 59589, 103729, 139041, 311187, 417123, 726103, 933561, 2178309, 2800683, 6534927, 19604781]

約数ペア:

[(1, 19604781), (3, 6534927), (7, 2800683), (9, 2178309), (21, 933561), (27, 726103), (47, 417123), (63, 311187), (141, 139041), (189, 103729), (329, 59589), (423, 46347), (987, 19863), (1269, 15449), (2207, 8883), (2961, 6621)]