18569889

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 36

約数和(自身を含む): 30118140

約数和(自身を除く): 11548251

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 169, 261, 377, 421, 507, 1131, 1263, 1521, 3393, 3789, 4901, 5473, 12209, 14703, 16419, 36627, 44109, 49257, 71149, 109881, 158717, 213447, 476151, 640341, 1428453, 2063321, 6189963, 18569889]

約数ペア:

[(1, 18569889), (3, 6189963), (9, 2063321), (13, 1428453), (29, 640341), (39, 476151), (87, 213447), (117, 158717), (169, 109881), (261, 71149), (377, 49257), (421, 44109), (507, 36627), (1131, 16419), (1263, 14703), (1521, 12209), (3393, 5473), (3789, 4901)]