18759990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5737}}^1$

素因数の和:5856

約数の個数: 32

約数和(自身を含む): 45444960

約数和(自身を除く): 26684970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 109, 218, 327, 545, 654, 1090, 1635, 3270, 5737, 11474, 17211, 28685, 34422, 57370, 86055, 172110, 625333, 1250666, 1875999, 3126665, 3751998, 6253330, 9379995, 18759990]

約数ペア:

[(1, 18759990), (2, 9379995), (3, 6253330), (5, 3751998), (6, 3126665), (10, 1875999), (15, 1250666), (30, 625333), (109, 172110), (218, 86055), (327, 57370), (545, 34422), (654, 28685), (1090, 17211), (1635, 11474), (3270, 5737)]