19738860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328981}}^1$

素因数の和:328993

約数の個数: 24

約数和(自身を含む): 55268976

約数和(自身を除く): 35530116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328981, 657962, 986943, 1315924, 1644905, 1973886, 3289810, 3947772, 4934715, 6579620, 9869430, 19738860]

約数ペア:

[(1, 19738860), (2, 9869430), (3, 6579620), (4, 4934715), (5, 3947772), (6, 3289810), (10, 1973886), (12, 1644905), (15, 1315924), (20, 986943), (30, 657962), (60, 328981)]