19599920

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{727}}^1$

素因数の和:1077

約数の個数: 40

約数和(自身を含む): 45767904

約数和(自身を除く): 26167984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 674, 727, 1348, 1454, 1685, 2696, 2908, 3370, 3635, 5392, 5816, 6740, 7270, 11632, 13480, 14540, 26960, 29080, 58160, 244999, 489998, 979996, 1224995, 1959992, 2449990, 3919984, 4899980, 9799960, 19599920]

約数ペア:

[(1, 19599920), (2, 9799960), (4, 4899980), (5, 3919984), (8, 2449990), (10, 1959992), (16, 1224995), (20, 979996), (40, 489998), (80, 244999), (337, 58160), (674, 29080), (727, 26960), (1348, 14540), (1454, 13480), (1685, 11632), (2696, 7270), (2908, 6740), (3370, 5816), (3635, 5392)]