19399665

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 14054415

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 1583, 2451, 4085, 4749, 7915, 12255, 23745, 30077, 68069, 90231, 150385, 204207, 340345, 451155, 1021035, 1293311, 3879933, 6466555, 19399665]

約数ペア:

[(1, 19399665), (3, 6466555), (5, 3879933), (15, 1293311), (19, 1021035), (43, 451155), (57, 340345), (95, 204207), (129, 150385), (215, 90231), (285, 68069), (645, 30077), (817, 23745), (1583, 12255), (2451, 7915), (4085, 4749)]