18609860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7103}}^1$

素因数の和:7243

約数の個数: 24

約数和(自身を含む): 39384576

約数和(自身を除く): 20774716

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7103, 14206, 28412, 35515, 71030, 142060, 930493, 1860986, 3721972, 4652465, 9304930, 18609860]

約数ペア:

[(1, 18609860), (2, 9304930), (4, 4652465), (5, 3721972), (10, 1860986), (20, 930493), (131, 142060), (262, 71030), (524, 35515), (655, 28412), (1310, 14206), (2620, 7103)]