19893790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7681}}^1$

素因数の和:7732

約数の個数: 32

約数和(自身を含む): 42035904

約数和(自身を除く): 22142114

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7681, 15362, 38405, 53767, 76810, 107534, 268835, 284197, 537670, 568394, 1420985, 1989379, 2841970, 3978758, 9946895, 19893790]

約数ペア:

[(1, 19893790), (2, 9946895), (5, 3978758), (7, 2841970), (10, 1989379), (14, 1420985), (35, 568394), (37, 537670), (70, 284197), (74, 268835), (185, 107534), (259, 76810), (370, 53767), (518, 38405), (1295, 15362), (2590, 7681)]