19743715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2262

約数の個数: 16

約数和(自身を含む): 25328160

約数和(自身を除く): 5584445

約数列:

[1, 5, 17, 85, 109, 545, 1853, 2131, 9265, 10655, 36227, 181135, 232279, 1161395, 3948743, 19743715]

約数ペア:

[(1, 19743715), (5, 3948743), (17, 1161395), (85, 232279), (109, 181135), (545, 36227), (1853, 10655), (2131, 9265)]