19520698

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9029}}^1$

素因数の和:9101

約数の個数: 16

約数和(自身を含む): 31207680

約数和(自身を除く): 11686982

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 9029, 18058, 207667, 415334, 424363, 848726, 9760349, 19520698]

約数ペア:

[(1, 19520698), (2, 9760349), (23, 848726), (46, 424363), (47, 415334), (94, 207667), (1081, 18058), (2162, 9029)]