18499980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{308333}}^1$

素因数の和:308345

約数の個数: 24

約数和(自身を含む): 51800112

約数和(自身を除く): 33300132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 308333, 616666, 924999, 1233332, 1541665, 1849998, 3083330, 3699996, 4624995, 6166660, 9249990, 18499980]

約数ペア:

[(1, 18499980), (2, 9249990), (3, 6166660), (4, 4624995), (5, 3699996), (6, 3083330), (10, 1849998), (12, 1541665), (15, 1233332), (20, 924999), (30, 616666), (60, 308333)]