19853140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43159}}^1$

素因数の和:43191

約数の個数: 24

約数和(自身を含む): 43505280

約数和(自身を除く): 23652140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43159, 86318, 172636, 215795, 431590, 863180, 992657, 1985314, 3970628, 4963285, 9926570, 19853140]

約数ペア:

[(1, 19853140), (2, 9926570), (4, 4963285), (5, 3970628), (10, 1985314), (20, 992657), (23, 863180), (46, 431590), (92, 215795), (115, 172636), (230, 86318), (460, 43159)]