19298978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 34042680

約数和(自身を除く): 14743702

約数列:

[1, 2, 17, 23, 29, 34, 37, 46, 58, 74, 391, 493, 529, 629, 667, 782, 851, 986, 1058, 1073, 1258, 1334, 1702, 2146, 8993, 11339, 14467, 15341, 17986, 18241, 19573, 22678, 24679, 28934, 30682, 36482, 39146, 49358, 260797, 332741, 419543, 521594, 567617, 665482, 839086, 1135234, 9649489, 19298978]

約数ペア:

[(1, 19298978), (2, 9649489), (17, 1135234), (23, 839086), (29, 665482), (34, 567617), (37, 521594), (46, 419543), (58, 332741), (74, 260797), (391, 49358), (493, 39146), (529, 36482), (629, 30682), (667, 28934), (782, 24679), (851, 22678), (986, 19573), (1058, 18241), (1073, 17986), (1258, 15341), (1334, 14467), (1702, 11339), (2146, 8993)]