18705162

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 44640000

約数和(自身を除く): 25934838

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 61, 98, 122, 147, 149, 183, 294, 298, 343, 366, 427, 447, 686, 854, 894, 1029, 1043, 1281, 2058, 2086, 2562, 2989, 3129, 5978, 6258, 7301, 8967, 9089, 14602, 17934, 18178, 20923, 21903, 27267, 41846, 43806, 51107, 54534, 62769, 63623, 102214, 125538, 127246, 153321, 190869, 306642, 381738, 445361, 890722, 1336083, 2672166, 3117527, 6235054, 9352581, 18705162]

約数ペア:

[(1, 18705162), (2, 9352581), (3, 6235054), (6, 3117527), (7, 2672166), (14, 1336083), (21, 890722), (42, 445361), (49, 381738), (61, 306642), (98, 190869), (122, 153321), (147, 127246), (149, 125538), (183, 102214), (294, 63623), (298, 62769), (343, 54534), (366, 51107), (427, 43806), (447, 41846), (686, 27267), (854, 21903), (894, 20923), (1029, 18178), (1043, 17934), (1281, 14602), (2058, 9089), (2086, 8967), (2562, 7301), (2989, 6258), (3129, 5978)]