18640195

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{3527}}^1$

素因数の和:3690

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 7100093

約数列:

[1, 5, 7, 35, 151, 755, 1057, 3527, 5285, 17635, 24689, 123445, 532577, 2662885, 3728039, 18640195]

約数ペア:

[(1, 18640195), (5, 3728039), (7, 2662885), (35, 532577), (151, 123445), (755, 24689), (1057, 17635), (3527, 5285)]