18259923

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 27712512

約数和(自身を除く): 9452589

約数列:

[1, 3, 11, 33, 47, 61, 141, 183, 193, 517, 579, 671, 1551, 2013, 2123, 2867, 6369, 8601, 9071, 11773, 27213, 31537, 35319, 94611, 99781, 129503, 299343, 388509, 553331, 1659993, 6086641, 18259923]

約数ペア:

[(1, 18259923), (3, 6086641), (11, 1659993), (33, 553331), (47, 388509), (61, 299343), (141, 129503), (183, 99781), (193, 94611), (517, 35319), (579, 31537), (671, 27213), (1551, 11773), (2013, 9071), (2123, 8601), (2867, 6369)]