19016478

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 27109602

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 103, 117, 206, 234, 263, 309, 351, 526, 618, 702, 789, 927, 1339, 1578, 1854, 2367, 2678, 2781, 3419, 4017, 4734, 5562, 6838, 7101, 8034, 10257, 12051, 14202, 20514, 24102, 27089, 30771, 36153, 54178, 61542, 72306, 81267, 92313, 162534, 184626, 243801, 352157, 487602, 704314, 731403, 1056471, 1462806, 2112942, 3169413, 6338826, 9508239, 19016478]

約数ペア:

[(1, 19016478), (2, 9508239), (3, 6338826), (6, 3169413), (9, 2112942), (13, 1462806), (18, 1056471), (26, 731403), (27, 704314), (39, 487602), (54, 352157), (78, 243801), (103, 184626), (117, 162534), (206, 92313), (234, 81267), (263, 72306), (309, 61542), (351, 54178), (526, 36153), (618, 30771), (702, 27089), (789, 24102), (927, 20514), (1339, 14202), (1578, 12051), (1854, 10257), (2367, 8034), (2678, 7101), (2781, 6838), (3419, 5562), (4017, 4734)]