19898406

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 48787200

約数和(自身を除く): 28888794

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 139, 198, 241, 278, 297, 417, 482, 594, 723, 834, 1251, 1446, 1529, 2169, 2502, 2651, 3058, 3753, 4338, 4587, 5302, 6507, 7506, 7953, 9174, 13014, 13761, 15906, 23859, 27522, 33499, 41283, 47718, 66998, 71577, 82566, 100497, 143154, 200994, 301491, 368489, 602982, 736978, 904473, 1105467, 1808946, 2210934, 3316401, 6632802, 9949203, 19898406]

約数ペア:

[(1, 19898406), (2, 9949203), (3, 6632802), (6, 3316401), (9, 2210934), (11, 1808946), (18, 1105467), (22, 904473), (27, 736978), (33, 602982), (54, 368489), (66, 301491), (99, 200994), (139, 143154), (198, 100497), (241, 82566), (278, 71577), (297, 66998), (417, 47718), (482, 41283), (594, 33499), (723, 27522), (834, 23859), (1251, 15906), (1446, 13761), (1529, 13014), (2169, 9174), (2502, 7953), (2651, 7506), (3058, 6507), (3753, 5302), (4338, 4587)]