18450978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 27997662

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 719, 987, 1222, 1438, 1833, 1974, 2157, 3666, 4277, 4314, 5033, 8554, 9347, 10066, 12831, 15099, 18694, 25662, 28041, 30198, 33793, 56082, 65429, 67586, 101379, 130858, 196287, 202758, 236551, 392574, 439309, 473102, 709653, 878618, 1317927, 1419306, 2635854, 3075163, 6150326, 9225489, 18450978]

約数ペア:

[(1, 18450978), (2, 9225489), (3, 6150326), (6, 3075163), (7, 2635854), (13, 1419306), (14, 1317927), (21, 878618), (26, 709653), (39, 473102), (42, 439309), (47, 392574), (78, 236551), (91, 202758), (94, 196287), (141, 130858), (182, 101379), (273, 67586), (282, 65429), (329, 56082), (546, 33793), (611, 30198), (658, 28041), (719, 25662), (987, 18694), (1222, 15099), (1438, 12831), (1833, 10066), (1974, 9347), (2157, 8554), (3666, 5033), (4277, 4314)]