19788590

素因数分解:

$2^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{2293}}^1$

素因数の和:3163

約数の個数: 16

約数和(自身を含む): 35676288

約数和(自身を除く): 15887698

約数列:

[1, 2, 5, 10, 863, 1726, 2293, 4315, 4586, 8630, 11465, 22930, 1978859, 3957718, 9894295, 19788590]

約数ペア:

[(1, 19788590), (2, 9894295), (5, 3957718), (10, 1978859), (863, 22930), (1726, 11465), (2293, 8630), (4315, 4586)]