19371274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9431}}^1$

素因数の和:9525

約数の個数: 16

約数和(自身を含む): 31691520

約数和(自身を除く): 12320246

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9431, 18862, 122603, 245206, 745049, 1490098, 9685637, 19371274]

約数ペア:

[(1, 19371274), (2, 9685637), (13, 1490098), (26, 745049), (79, 245206), (158, 122603), (1027, 18862), (2054, 9431)]