18640636

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39161}}^1$

素因数の和:39189

約数の個数: 24

約数和(自身を含む): 39475296

約数和(自身を除く): 20834660

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 39161, 78322, 156644, 274127, 548254, 665737, 1096508, 1331474, 2662948, 4660159, 9320318, 18640636]

約数ペア:

[(1, 18640636), (2, 9320318), (4, 4660159), (7, 2662948), (14, 1331474), (17, 1096508), (28, 665737), (34, 548254), (68, 274127), (119, 156644), (238, 78322), (476, 39161)]