18630556

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{9931}}^1$

素因数の和:10009

約数の個数: 24

約数和(自身を含む): 37821056

約数和(自身を除く): 19190500

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 9931, 19862, 39724, 69517, 139034, 278068, 665377, 1330754, 2661508, 4657639, 9315278, 18630556]

約数ペア:

[(1, 18630556), (2, 9315278), (4, 4657639), (7, 2661508), (14, 1330754), (28, 665377), (67, 278068), (134, 139034), (268, 69517), (469, 39724), (938, 19862), (1876, 9931)]