18016839

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 26836992

約数和(自身を除く): 8820153

約数列:

[1, 3, 9, 47, 141, 191, 223, 423, 573, 669, 1719, 2007, 8977, 10481, 26931, 31443, 42593, 80793, 94329, 127779, 383337, 2001871, 6005613, 18016839]

約数ペア:

[(1, 18016839), (3, 6005613), (9, 2001871), (47, 383337), (141, 127779), (191, 94329), (223, 80793), (423, 42593), (573, 31443), (669, 26931), (1719, 10481), (2007, 8977)]