18645508

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21481}}^1$

素因数の和:21523

約数の個数: 24

約数和(自身を含む): 38495744

約数和(自身を除く): 19850236

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21481, 42962, 85924, 150367, 300734, 601468, 665911, 1331822, 2663644, 4661377, 9322754, 18645508]

約数ペア:

[(1, 18645508), (2, 9322754), (4, 4661377), (7, 2663644), (14, 1331822), (28, 665911), (31, 601468), (62, 300734), (124, 150367), (217, 85924), (434, 42962), (868, 21481)]