22138857

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 15775383

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 433, 437, 741, 897, 1299, 1311, 2223, 2691, 3897, 3933, 5629, 5681, 8227, 9959, 16887, 17043, 24681, 29877, 50661, 51129, 74043, 89631, 106951, 129467, 189221, 320853, 388401, 567663, 962559, 1165203, 1702989, 2459873, 7379619, 22138857]

約数ペア:

[(1, 22138857), (3, 7379619), (9, 2459873), (13, 1702989), (19, 1165203), (23, 962559), (39, 567663), (57, 388401), (69, 320853), (117, 189221), (171, 129467), (207, 106951), (247, 89631), (299, 74043), (433, 51129), (437, 50661), (741, 29877), (897, 24681), (1299, 17043), (1311, 16887), (2223, 9959), (2691, 8227), (3897, 5681), (3933, 5629)]