12419780

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1103}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 26151552

約数和(自身を除く): 13731772

約数列:

[1, 2, 4, 5, 10, 20, 563, 1103, 1126, 2206, 2252, 2815, 4412, 5515, 5630, 11030, 11260, 22060, 620989, 1241978, 2483956, 3104945, 6209890, 12419780]

約数ペア:

[(1, 12419780), (2, 6209890), (4, 3104945), (5, 2483956), (10, 1241978), (20, 620989), (563, 22060), (1103, 11260), (1126, 11030), (2206, 5630), (2252, 5515), (2815, 4412)]