19178140

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2897}}^1$

素因数の和:3237

約数の個数: 24

約数和(自身を含む): 40409712

約数和(自身を除く): 21231572

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2897, 3310, 5794, 6620, 11588, 14485, 28970, 57940, 958907, 1917814, 3835628, 4794535, 9589070, 19178140]

約数ペア:

[(1, 19178140), (2, 9589070), (4, 4794535), (5, 3835628), (10, 1917814), (20, 958907), (331, 57940), (662, 28970), (1324, 14485), (1655, 11588), (2897, 6620), (3310, 5794)]