18976551

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 28300272

約数和(自身を除く): 9323721

約数列:

[1, 3, 11, 33, 61, 121, 183, 363, 671, 857, 2013, 2571, 7381, 9427, 22143, 28281, 52277, 103697, 156831, 311091, 575047, 1725141, 6325517, 18976551]

約数ペア:

[(1, 18976551), (3, 6325517), (11, 1725141), (33, 575047), (61, 311091), (121, 156831), (183, 103697), (363, 52277), (671, 28281), (857, 22143), (2013, 9427), (2571, 7381)]