19668506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{68771}}^1$

素因数の和:68797

約数の個数: 16

約数和(自身を含む): 34661088

約数和(自身を除く): 14992582

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 68771, 137542, 756481, 894023, 1512962, 1788046, 9834253, 19668506]

約数ペア:

[(1, 19668506), (2, 9834253), (11, 1788046), (13, 1512962), (22, 894023), (26, 756481), (143, 137542), (286, 68771)]