19894740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331579}}^1$

素因数の和:331591

約数の個数: 24

約数和(自身を含む): 55705440

約数和(自身を除く): 35810700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331579, 663158, 994737, 1326316, 1657895, 1989474, 3315790, 3978948, 4973685, 6631580, 9947370, 19894740]

約数ペア:

[(1, 19894740), (2, 9947370), (3, 6631580), (4, 4973685), (5, 3978948), (6, 3315790), (10, 1989474), (12, 1657895), (15, 1326316), (20, 994737), (30, 663158), (60, 331579)]