18940100

素因数分解:

$2^2\times 5^2\times {\mathrm{189401}}^1$

素因数の和:189415

約数の個数: 18

約数和(自身を含む): 41100234

約数和(自身を除く): 22160134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 189401, 378802, 757604, 947005, 1894010, 3788020, 4735025, 9470050, 18940100]

約数ペア:

[(1, 18940100), (2, 9470050), (4, 4735025), (5, 3788020), (10, 1894010), (20, 947005), (25, 757604), (50, 378802), (100, 189401)]