18457872

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 49871808

約数和(自身を除く): 31413936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 83, 113, 123, 164, 166, 226, 246, 249, 328, 332, 339, 452, 492, 498, 656, 664, 678, 904, 984, 996, 1328, 1356, 1808, 1968, 1992, 2712, 3403, 3984, 4633, 5424, 6806, 9266, 9379, 10209, 13612, 13899, 18532, 18758, 20418, 27224, 27798, 28137, 37064, 37516, 40836, 54448, 55596, 56274, 74128, 75032, 81672, 111192, 112548, 150064, 163344, 222384, 225096, 384539, 450192, 769078, 1153617, 1538156, 2307234, 3076312, 4614468, 6152624, 9228936, 18457872]

約数ペア:

[(1, 18457872), (2, 9228936), (3, 6152624), (4, 4614468), (6, 3076312), (8, 2307234), (12, 1538156), (16, 1153617), (24, 769078), (41, 450192), (48, 384539), (82, 225096), (83, 222384), (113, 163344), (123, 150064), (164, 112548), (166, 111192), (226, 81672), (246, 75032), (249, 74128), (328, 56274), (332, 55596), (339, 54448), (452, 40836), (492, 37516), (498, 37064), (656, 28137), (664, 27798), (678, 27224), (904, 20418), (984, 18758), (996, 18532), (1328, 13899), (1356, 13612), (1808, 10209), (1968, 9379), (1992, 9266), (2712, 6806), (3403, 5424), (3984, 4633)]