31192330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18457}}^1$

素因数の和:18490

約数の個数: 24

約数和(自身を含む): 60800652

約数和(自身を除く): 29608322

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18457, 36914, 92285, 184570, 239941, 479882, 1199705, 2399410, 3119233, 6238466, 15596165, 31192330]

約数ペア:

[(1, 31192330), (2, 15596165), (5, 6238466), (10, 3119233), (13, 2399410), (26, 1199705), (65, 479882), (130, 239941), (169, 184570), (338, 92285), (845, 36914), (1690, 18457)]