18826269

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 32686080

約数和(自身を除く): 13859811

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 121, 217, 231, 239, 341, 363, 651, 717, 847, 1023, 1673, 2387, 2541, 2629, 3751, 5019, 7161, 7409, 7887, 11253, 18403, 22227, 26257, 28919, 51863, 55209, 78771, 81499, 86757, 155589, 202433, 244497, 570493, 607299, 896489, 1711479, 2689467, 6275423, 18826269]

約数ペア:

[(1, 18826269), (3, 6275423), (7, 2689467), (11, 1711479), (21, 896489), (31, 607299), (33, 570493), (77, 244497), (93, 202433), (121, 155589), (217, 86757), (231, 81499), (239, 78771), (341, 55209), (363, 51863), (651, 28919), (717, 26257), (847, 22227), (1023, 18403), (1673, 11253), (2387, 7887), (2541, 7409), (2629, 7161), (3751, 5019)]