18890050

素因数分解:

$2^1\times 5^2\times {\mathrm{377801}}^1$

素因数の和:377813

約数の個数: 12

約数和(自身を含む): 35135586

約数和(自身を除く): 16245536

約数列:

[1, 2, 5, 10, 25, 50, 377801, 755602, 1889005, 3778010, 9445025, 18890050]

約数ペア:

[(1, 18890050), (2, 9445025), (5, 3778010), (10, 1889005), (25, 755602), (50, 377801)]