18238731

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2341}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 28834704

約数和(自身を除く): 10595973

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2341, 2597, 7023, 7791, 16387, 49161, 114709, 124073, 344127, 372219, 868511, 2605533, 6079577, 18238731]

約数ペア:

[(1, 18238731), (3, 6079577), (7, 2605533), (21, 868511), (49, 372219), (53, 344127), (147, 124073), (159, 114709), (371, 49161), (1113, 16387), (2341, 7791), (2597, 7023)]