19664220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327737}}^1$

素因数の和:327749

約数の個数: 24

約数和(自身を含む): 55059984

約数和(自身を除く): 35395764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327737, 655474, 983211, 1310948, 1638685, 1966422, 3277370, 3932844, 4916055, 6554740, 9832110, 19664220]

約数ペア:

[(1, 19664220), (2, 9832110), (3, 6554740), (4, 4916055), (5, 3932844), (6, 3277370), (10, 1966422), (12, 1638685), (15, 1310948), (20, 983211), (30, 655474), (60, 327737)]