19920688

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{6451}}^1$

素因数の和:6652

約数の個数: 20

約数和(自身を含む): 38802328

約数和(自身を除く): 18881640

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 6451, 12902, 25804, 51608, 103216, 1245043, 2490086, 4980172, 9960344, 19920688]

約数ペア:

[(1, 19920688), (2, 9960344), (4, 4980172), (8, 2490086), (16, 1245043), (193, 103216), (386, 51608), (772, 25804), (1544, 12902), (3088, 6451)]