19974180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332903}}^1$

素因数の和:332915

約数の個数: 24

約数和(自身を含む): 55927872

約数和(自身を除く): 35953692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332903, 665806, 998709, 1331612, 1664515, 1997418, 3329030, 3994836, 4993545, 6658060, 9987090, 19974180]

約数ペア:

[(1, 19974180), (2, 9987090), (3, 6658060), (4, 4993545), (5, 3994836), (6, 3329030), (10, 1997418), (12, 1664515), (15, 1331612), (20, 998709), (30, 665806), (60, 332903)]