18560908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{881}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 34080480

約数和(自身を除く): 15519572

約数列:

[1, 2, 4, 23, 46, 92, 229, 458, 881, 916, 1762, 3524, 5267, 10534, 20263, 21068, 40526, 81052, 201749, 403498, 806996, 4640227, 9280454, 18560908]

約数ペア:

[(1, 18560908), (2, 9280454), (4, 4640227), (23, 806996), (46, 403498), (92, 201749), (229, 81052), (458, 40526), (881, 21068), (916, 20263), (1762, 10534), (3524, 5267)]