19974090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{665803}}^1$

素因数の和:665813

約数の個数: 16

約数和(自身を含む): 47937888

約数和(自身を除く): 27963798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 665803, 1331606, 1997409, 3329015, 3994818, 6658030, 9987045, 19974090]

約数ペア:

[(1, 19974090), (2, 9987045), (3, 6658030), (5, 3994818), (6, 3329015), (10, 1997409), (15, 1331606), (30, 665803)]