18398709

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 33022080

約数和(自身を除く): 14623371

約数列:

[1, 3, 7, 9, 17, 21, 41, 51, 63, 119, 123, 153, 287, 357, 369, 419, 697, 861, 1071, 1257, 2091, 2583, 2933, 3771, 4879, 6273, 7123, 8799, 14637, 17179, 21369, 26397, 43911, 49861, 51537, 64107, 120253, 149583, 154611, 292043, 360759, 448749, 876129, 1082277, 2044301, 2628387, 6132903, 18398709]

約数ペア:

[(1, 18398709), (3, 6132903), (7, 2628387), (9, 2044301), (17, 1082277), (21, 876129), (41, 448749), (51, 360759), (63, 292043), (119, 154611), (123, 149583), (153, 120253), (287, 64107), (357, 51537), (369, 49861), (419, 43911), (697, 26397), (861, 21369), (1071, 17179), (1257, 14637), (2091, 8799), (2583, 7123), (2933, 6273), (3771, 4879)]