18638367

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 28283904

約数和(自身を除く): 9645537

約数列:

[1, 3, 11, 33, 47, 61, 141, 183, 197, 517, 591, 671, 1551, 2013, 2167, 2867, 6501, 8601, 9259, 12017, 27777, 31537, 36051, 94611, 101849, 132187, 305547, 396561, 564799, 1694397, 6212789, 18638367]

約数ペア:

[(1, 18638367), (3, 6212789), (11, 1694397), (33, 564799), (47, 396561), (61, 305547), (141, 132187), (183, 101849), (197, 94611), (517, 36051), (591, 31537), (671, 27777), (1551, 12017), (2013, 9259), (2167, 8601), (2867, 6501)]