19081855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 7045505

約数列:

[1, 5, 13, 29, 53, 65, 145, 191, 265, 377, 689, 955, 1537, 1885, 2483, 3445, 5539, 7685, 10123, 12415, 19981, 27695, 50615, 72007, 99905, 131599, 293567, 360035, 657995, 1467835, 3816371, 19081855]

約数ペア:

[(1, 19081855), (5, 3816371), (13, 1467835), (29, 657995), (53, 360035), (65, 293567), (145, 131599), (191, 99905), (265, 72007), (377, 50615), (689, 27695), (955, 19981), (1537, 12415), (1885, 10123), (2483, 7685), (3445, 5539)]