19194274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9803}}^1$

素因数の和:9905

約数の個数: 16

約数和(自身を含む): 31764960

約数和(自身を除く): 12570686

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9803, 19606, 107833, 215666, 872467, 1744934, 9597137, 19194274]

約数ペア:

[(1, 19194274), (2, 9597137), (11, 1744934), (22, 872467), (89, 215666), (178, 107833), (979, 19606), (1958, 9803)]