19370516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{440239}}^1$

素因数の和:440254

約数の個数: 12

約数和(自身を含む): 36980160

約数和(自身を除く): 17609644

約数列:

[1, 2, 4, 11, 22, 44, 440239, 880478, 1760956, 4842629, 9685258, 19370516]

約数ペア:

[(1, 19370516), (2, 9685258), (4, 4842629), (11, 1760956), (22, 880478), (44, 440239)]