18953260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49877}}^1$

素因数の和:49905

約数の個数: 24

約数和(自身を含む): 41897520

約数和(自身を除く): 22944260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49877, 99754, 199508, 249385, 498770, 947663, 997540, 1895326, 3790652, 4738315, 9476630, 18953260]

約数ペア:

[(1, 18953260), (2, 9476630), (4, 4738315), (5, 3790652), (10, 1895326), (19, 997540), (20, 947663), (38, 498770), (76, 249385), (95, 199508), (190, 99754), (380, 49877)]