15680268

素因数分解:

$2^2\times 3^2\times {\mathrm{435563}}^1$

素因数の和:435573

約数の個数: 18

約数和(自身を含む): 39636324

約数和(自身を除く): 23956056

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 435563, 871126, 1306689, 1742252, 2613378, 3920067, 5226756, 7840134, 15680268]

約数ペア:

[(1, 15680268), (2, 7840134), (3, 5226756), (4, 3920067), (6, 2613378), (9, 1742252), (12, 1306689), (18, 871126), (36, 435563)]