19786473

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2473}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 32933888

約数和(自身を除く): 13147415

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2473, 2667, 7419, 8001, 17311, 22257, 51933, 155799, 314071, 942213, 2198497, 2826639, 6595491, 19786473]

約数ペア:

[(1, 19786473), (3, 6595491), (7, 2826639), (9, 2198497), (21, 942213), (63, 314071), (127, 155799), (381, 51933), (889, 22257), (1143, 17311), (2473, 8001), (2667, 7419)]