18813100

素因数分解:

$2^2\times 5^2\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:882

約数の個数: 36

約数和(自身を含む): 41013000

約数和(自身を除く): 22199900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 419, 449, 838, 898, 1676, 1796, 2095, 2245, 4190, 4490, 8380, 8980, 10475, 11225, 20950, 22450, 41900, 44900, 188131, 376262, 752524, 940655, 1881310, 3762620, 4703275, 9406550, 18813100]

約数ペア:

[(1, 18813100), (2, 9406550), (4, 4703275), (5, 3762620), (10, 1881310), (20, 940655), (25, 752524), (50, 376262), (100, 188131), (419, 44900), (449, 41900), (838, 22450), (898, 20950), (1676, 11225), (1796, 10475), (2095, 8980), (2245, 8380), (4190, 4490)]