31182190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18451}}^1$

素因数の和:18484

約数の個数: 24

約数和(自身を含む): 60780888

約数和(自身を除く): 29598698

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 18451, 36902, 92255, 184510, 239863, 479726, 1199315, 2398630, 3118219, 6236438, 15591095, 31182190]

約数ペア:

[(1, 31182190), (2, 15591095), (5, 6236438), (10, 3118219), (13, 2398630), (26, 1199315), (65, 479726), (130, 239863), (169, 184510), (338, 92255), (845, 36902), (1690, 18451)]