18222267

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1097}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 28539216

約数和(自身を除く): 10316949

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 1097, 2373, 3291, 5537, 7679, 16611, 23037, 53753, 123961, 161259, 371883, 867727, 2603181, 6074089, 18222267]

約数ペア:

[(1, 18222267), (3, 6074089), (7, 2603181), (21, 867727), (49, 371883), (113, 161259), (147, 123961), (339, 53753), (791, 23037), (1097, 16611), (2373, 7679), (3291, 5537)]