18968638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10889}}^1$

素因数の和:10971

約数の個数: 16

約数和(自身を含む): 31101840

約数和(自身を除く): 12133202

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 10889, 21778, 141557, 283114, 729563, 1459126, 9484319, 18968638]

約数ペア:

[(1, 18968638), (2, 9484319), (13, 1459126), (26, 729563), (67, 283114), (134, 141557), (871, 21778), (1742, 10889)]