18691980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311533}}^1$

素因数の和:311545

約数の個数: 24

約数和(自身を含む): 52337712

約数和(自身を除く): 33645732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311533, 623066, 934599, 1246132, 1557665, 1869198, 3115330, 3738396, 4672995, 6230660, 9345990, 18691980]

約数ペア:

[(1, 18691980), (2, 9345990), (3, 6230660), (4, 4672995), (5, 3738396), (6, 3115330), (10, 1869198), (12, 1557665), (15, 1246132), (20, 934599), (30, 623066), (60, 311533)]