18732051

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:7003

約数の個数: 24

約数和(自身を含む): 30410016

約数和(自身を除く): 11677965

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 6961, 20883, 62649, 90493, 160103, 271479, 480309, 814437, 1440927, 2081339, 6244017, 18732051]

約数ペア:

[(1, 18732051), (3, 6244017), (9, 2081339), (13, 1440927), (23, 814437), (39, 480309), (69, 271479), (117, 160103), (207, 90493), (299, 62649), (897, 20883), (2691, 6961)]