18393664

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 56

約数和(自身を含む): 38494208

約数和(自身を除く): 20100544

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 127, 146, 248, 254, 292, 496, 508, 584, 992, 1016, 1168, 1984, 2032, 2263, 2336, 3937, 4064, 4526, 4672, 7874, 8128, 9052, 9271, 15748, 18104, 18542, 31496, 36208, 37084, 62992, 72416, 74168, 125984, 144832, 148336, 251968, 287401, 296672, 574802, 593344, 1149604, 2299208, 4598416, 9196832, 18393664]

約数ペア:

[(1, 18393664), (2, 9196832), (4, 4598416), (8, 2299208), (16, 1149604), (31, 593344), (32, 574802), (62, 296672), (64, 287401), (73, 251968), (124, 148336), (127, 144832), (146, 125984), (248, 74168), (254, 72416), (292, 62992), (496, 37084), (508, 36208), (584, 31496), (992, 18542), (1016, 18104), (1168, 15748), (1984, 9271), (2032, 9052), (2263, 8128), (2336, 7874), (3937, 4672), (4064, 4526)]