19019090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6581}}^1$

素因数の和:6622

約数の個数: 24

約数和(自身を含む): 36372132

約数和(自身を除く): 17353042

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 6581, 13162, 32905, 65810, 111877, 223754, 559385, 1118770, 1901909, 3803818, 9509545, 19019090]

約数ペア:

[(1, 19019090), (2, 9509545), (5, 3803818), (10, 1901909), (17, 1118770), (34, 559385), (85, 223754), (170, 111877), (289, 65810), (578, 32905), (1445, 13162), (2890, 6581)]