18179987

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4129}}^1$

素因数の和:4190

約数の個数: 16

約数和(自身を含む): 22599360

約数和(自身を除く): 4419373

約数列:

[1, 7, 17, 37, 119, 259, 629, 4129, 4403, 28903, 70193, 152773, 491351, 1069411, 2597141, 18179987]

約数ペア:

[(1, 18179987), (7, 2597141), (17, 1069411), (37, 491351), (119, 152773), (259, 70193), (629, 28903), (4129, 4403)]