18849753

素因数分解:

$3^8\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:67

約数の個数: 54

約数和(自身を含む): 32416254

約数和(自身を除く): 13566501

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 169, 221, 243, 351, 459, 507, 663, 729, 1053, 1377, 1521, 1989, 2187, 2873, 3159, 4131, 4563, 5967, 6561, 8619, 9477, 12393, 13689, 17901, 25857, 28431, 37179, 41067, 53703, 77571, 85293, 111537, 123201, 161109, 232713, 369603, 483327, 698139, 1108809, 1449981, 2094417, 6283251, 18849753]

約数ペア:

[(1, 18849753), (3, 6283251), (9, 2094417), (13, 1449981), (17, 1108809), (27, 698139), (39, 483327), (51, 369603), (81, 232713), (117, 161109), (153, 123201), (169, 111537), (221, 85293), (243, 77571), (351, 53703), (459, 41067), (507, 37179), (663, 28431), (729, 25857), (1053, 17901), (1377, 13689), (1521, 12393), (1989, 9477), (2187, 8619), (2873, 6561), (3159, 5967), (4131, 4563)]