17989810

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2851}}^1$

素因数の和:3489

約数の個数: 16

約数和(自身を含む): 32444352

約数和(自身を除く): 14454542

約数列:

[1, 2, 5, 10, 631, 1262, 2851, 3155, 5702, 6310, 14255, 28510, 1798981, 3597962, 8994905, 17989810]

約数ペア:

[(1, 17989810), (2, 8994905), (5, 3597962), (10, 1798981), (631, 28510), (1262, 14255), (2851, 6310), (3155, 5702)]