19857236

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22877}}^1$

素因数の和:22919

約数の個数: 24

約数和(自身を含む): 40997376

約数和(自身を除く): 21140140

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22877, 45754, 91508, 160139, 320278, 640556, 709187, 1418374, 2836748, 4964309, 9928618, 19857236]

約数ペア:

[(1, 19857236), (2, 9928618), (4, 4964309), (7, 2836748), (14, 1418374), (28, 709187), (31, 640556), (62, 320278), (124, 160139), (217, 91508), (434, 45754), (868, 22877)]