19904518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{3877}}^1$

素因数の和:4047

約数の個数: 16

約数和(自身を含む): 31830624

約数和(自身を除く): 11926106

約数列:

[1, 2, 17, 34, 151, 302, 2567, 3877, 5134, 7754, 65909, 131818, 585427, 1170854, 9952259, 19904518]

約数ペア:

[(1, 19904518), (2, 9952259), (17, 1170854), (34, 585427), (151, 131818), (302, 65909), (2567, 7754), (3877, 5134)]