18211446

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 48660480

約数和(自身を除く): 30449034

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 31, 33, 43, 46, 54, 62, 66, 69, 86, 93, 99, 129, 138, 186, 198, 207, 253, 258, 279, 297, 341, 387, 414, 473, 506, 558, 594, 621, 682, 713, 759, 774, 837, 946, 989, 1023, 1161, 1242, 1333, 1419, 1426, 1518, 1674, 1978, 2046, 2139, 2277, 2322, 2666, 2838, 2967, 3069, 3999, 4257, 4278, 4554, 5934, 6138, 6417, 6831, 7843, 7998, 8514, 8901, 9207, 10879, 11997, 12771, 12834, 13662, 14663, 15686, 17802, 18414, 19251, 21758, 23529, 23994, 25542, 26703, 29326, 30659, 32637, 35991, 38502, 43989, 47058, 53406, 61318, 65274, 70587, 71982, 87978, 91977, 97911, 131967, 141174, 183954, 195822, 211761, 263934, 275931, 293733, 337249, 395901, 423522, 551862, 587466, 674498, 791802, 827793, 1011747, 1655586, 2023494, 3035241, 6070482, 9105723, 18211446]

約数ペア:

[(1, 18211446), (2, 9105723), (3, 6070482), (6, 3035241), (9, 2023494), (11, 1655586), (18, 1011747), (22, 827793), (23, 791802), (27, 674498), (31, 587466), (33, 551862), (43, 423522), (46, 395901), (54, 337249), (62, 293733), (66, 275931), (69, 263934), (86, 211761), (93, 195822), (99, 183954), (129, 141174), (138, 131967), (186, 97911), (198, 91977), (207, 87978), (253, 71982), (258, 70587), (279, 65274), (297, 61318), (341, 53406), (387, 47058), (414, 43989), (473, 38502), (506, 35991), (558, 32637), (594, 30659), (621, 29326), (682, 26703), (713, 25542), (759, 23994), (774, 23529), (837, 21758), (946, 19251), (989, 18414), (1023, 17802), (1161, 15686), (1242, 14663), (1333, 13662), (1419, 12834), (1426, 12771), (1518, 11997), (1674, 10879), (1978, 9207), (2046, 8901), (2139, 8514), (2277, 7998), (2322, 7843), (2666, 6831), (2838, 6417), (2967, 6138), (3069, 5934), (3999, 4554), (4257, 4278)]