18887536

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{2689}}^1$

素因数の和:3136

約数の個数: 20

約数和(自身を含む): 36691600

約数和(自身を除く): 17804064

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 2689, 3512, 5378, 7024, 10756, 21512, 43024, 1180471, 2360942, 4721884, 9443768, 18887536]

約数ペア:

[(1, 18887536), (2, 9443768), (4, 4721884), (8, 2360942), (16, 1180471), (439, 43024), (878, 21512), (1756, 10756), (2689, 7024), (3512, 5378)]