19673901

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2482

約数の個数: 32

約数和(自身を含む): 32766720

約数和(自身を除く): 13092819

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2437, 2691, 7311, 8073, 21933, 31681, 56051, 65799, 95043, 168153, 285129, 504459, 728663, 855387, 1513377, 2185989, 6557967, 19673901]

約数ペア:

[(1, 19673901), (3, 6557967), (9, 2185989), (13, 1513377), (23, 855387), (27, 728663), (39, 504459), (69, 285129), (117, 168153), (207, 95043), (299, 65799), (351, 56051), (621, 31681), (897, 21933), (2437, 8073), (2691, 7311)]