19822100

素因数分解:

$2^2\times 5^2\times {\mathrm{198221}}^1$

素因数の和:198235

約数の個数: 18

約数和(自身を含む): 43014174

約数和(自身を除く): 23192074

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 198221, 396442, 792884, 991105, 1982210, 3964420, 4955525, 9911050, 19822100]

約数ペア:

[(1, 19822100), (2, 9911050), (4, 4955525), (5, 3964420), (10, 1982210), (20, 991105), (25, 792884), (50, 396442), (100, 198221)]