19808816

素因数分解:

$2^4\times {\mathrm{1238051}}^1$

素因数の和:1238059

約数の個数: 10

約数和(自身を含む): 38379612

約数和(自身を除く): 18570796

約数列:

[1, 2, 4, 8, 16, 1238051, 2476102, 4952204, 9904408, 19808816]

約数ペア:

[(1, 19808816), (2, 9904408), (4, 4952204), (8, 2476102), (16, 1238051)]