19982816

素因数分解:

$2^5\times 7^1\times {\mathrm{89209}}^1$

素因数の和:89226

約数の個数: 24

約数和(自身を含む): 44961840

約数和(自身を除く): 24979024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 89209, 178418, 356836, 624463, 713672, 1248926, 1427344, 2497852, 2854688, 4995704, 9991408, 19982816]

約数ペア:

[(1, 19982816), (2, 9991408), (4, 4995704), (7, 2854688), (8, 2497852), (14, 1427344), (16, 1248926), (28, 713672), (32, 624463), (56, 356836), (112, 178418), (224, 89209)]