19389951

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10613}}^1$

素因数の和:10655

約数の個数: 24

約数和(自身を含む): 33115680

約数和(自身を除く): 13725729

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 10613, 31839, 74291, 95517, 222873, 307777, 668619, 923331, 2154439, 2769993, 6463317, 19389951]

約数ペア:

[(1, 19389951), (3, 6463317), (7, 2769993), (9, 2154439), (21, 923331), (29, 668619), (63, 307777), (87, 222873), (203, 95517), (261, 74291), (609, 31839), (1827, 10613)]