18229986

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 40864824

約数和(自身を除く): 22634838

約数列:

[1, 2, 3, 6, 9, 18, 53, 97, 106, 159, 194, 197, 291, 318, 394, 477, 582, 591, 873, 954, 1182, 1746, 1773, 3546, 5141, 10282, 10441, 15423, 19109, 20882, 30846, 31323, 38218, 46269, 57327, 62646, 92538, 93969, 114654, 171981, 187938, 343962, 1012777, 2025554, 3038331, 6076662, 9114993, 18229986]

約数ペア:

[(1, 18229986), (2, 9114993), (3, 6076662), (6, 3038331), (9, 2025554), (18, 1012777), (53, 343962), (97, 187938), (106, 171981), (159, 114654), (194, 93969), (197, 92538), (291, 62646), (318, 57327), (394, 46269), (477, 38218), (582, 31323), (591, 30846), (873, 20882), (954, 19109), (1182, 15423), (1746, 10441), (1773, 10282), (3546, 5141)]