18929121818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{563}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 31313640960

約数和(自身を除く): 12384519142

約数列:

[1, 2, 17, 34, 41, 82, 89, 178, 271, 542, 563, 697, 1126, 1394, 1513, 3026, 3649, 4607, 7298, 9214, 9571, 11111, 19142, 22222, 23083, 24119, 46166, 48238, 50107, 62033, 100214, 124066, 152573, 188887, 305146, 377774, 392411, 410023, 784822, 820046, 851819, 988879, 1703638, 1977758, 2054387, 2593741, 4108774, 5187482, 6255493, 12510986, 13578997, 16810943, 27157994, 33621886, 34924579, 69849158, 106343381, 212686762, 230842949, 461685898, 556738877, 1113477754, 9464560909, 18929121818]

約数ペア:

[(1, 18929121818), (2, 9464560909), (17, 1113477754), (34, 556738877), (41, 461685898), (82, 230842949), (89, 212686762), (178, 106343381), (271, 69849158), (542, 34924579), (563, 33621886), (697, 27157994), (1126, 16810943), (1394, 13578997), (1513, 12510986), (3026, 6255493), (3649, 5187482), (4607, 4108774), (7298, 2593741), (9214, 2054387), (9571, 1977758), (11111, 1703638), (19142, 988879), (22222, 851819), (23083, 820046), (24119, 784822), (46166, 410023), (48238, 392411), (50107, 377774), (62033, 305146), (100214, 188887), (124066, 152573)]