19091228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{367139}}^1$

素因数の和:367156

約数の個数: 12

約数和(自身を含む): 35979720

約数和(自身を除く): 16888492

約数列:

[1, 2, 4, 13, 26, 52, 367139, 734278, 1468556, 4772807, 9545614, 19091228]

約数ペア:

[(1, 19091228), (2, 9545614), (4, 4772807), (13, 1468556), (26, 734278), (52, 367139)]