18814257

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 35897472

約数和(自身を除く): 17083215

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1597, 1683, 3927, 4791, 11179, 11781, 14373, 17567, 27149, 33537, 52701, 81447, 100611, 122969, 158103, 190043, 244341, 298639, 368907, 570129, 895917, 1106721, 1710387, 2090473, 2687751, 6271419, 18814257]

約数ペア:

[(1, 18814257), (3, 6271419), (7, 2687751), (9, 2090473), (11, 1710387), (17, 1106721), (21, 895917), (33, 570129), (51, 368907), (63, 298639), (77, 244341), (99, 190043), (119, 158103), (153, 122969), (187, 100611), (231, 81447), (357, 52701), (561, 33537), (693, 27149), (1071, 17567), (1309, 14373), (1597, 11781), (1683, 11179), (3927, 4791)]