19886396

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2683}}^1$

素因数の和:2813

約数の個数: 24

約数和(自身を含む): 37200240

約数和(自身を除く): 17313844

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2683, 3706, 5366, 7412, 10732, 45611, 91222, 182444, 292447, 584894, 1169788, 4971599, 9943198, 19886396]

約数ペア:

[(1, 19886396), (2, 9943198), (4, 4971599), (17, 1169788), (34, 584894), (68, 292447), (109, 182444), (218, 91222), (436, 45611), (1853, 10732), (2683, 7412), (3706, 5366)]