18921000978

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{1103}}^1\times {\mathrm{28879}}^1$

素因数の和:30004

約数の個数: 64

約数和(自身を含む): 45912268800

約数和(自身を除く): 26991267822

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 198, 297, 594, 1103, 2206, 3309, 6618, 9927, 12133, 19854, 24266, 28879, 29781, 36399, 57758, 59562, 72798, 86637, 109197, 173274, 218394, 259911, 317669, 327591, 519822, 635338, 655182, 779733, 953007, 1559466, 1906014, 2859021, 5718042, 8577063, 17154126, 31853537, 63707074, 95560611, 191121222, 286681833, 350388907, 573363666, 700777814, 860045499, 1051166721, 1720090998, 2102333442, 3153500163, 6307000326, 9460500489, 18921000978]

約数ペア:

[(1, 18921000978), (2, 9460500489), (3, 6307000326), (6, 3153500163), (9, 2102333442), (11, 1720090998), (18, 1051166721), (22, 860045499), (27, 700777814), (33, 573363666), (54, 350388907), (66, 286681833), (99, 191121222), (198, 95560611), (297, 63707074), (594, 31853537), (1103, 17154126), (2206, 8577063), (3309, 5718042), (6618, 2859021), (9927, 1906014), (12133, 1559466), (19854, 953007), (24266, 779733), (28879, 655182), (29781, 635338), (36399, 519822), (57758, 327591), (59562, 317669), (72798, 259911), (86637, 218394), (109197, 173274)]