18489344

素因数分解:

$2^{13}\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 56

約数和(自身を含む): 38598348

約数和(自身を除く): 20109004

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 64, 74, 122, 128, 148, 244, 256, 296, 488, 512, 592, 976, 1024, 1184, 1952, 2048, 2257, 2368, 3904, 4096, 4514, 4736, 7808, 8192, 9028, 9472, 15616, 18056, 18944, 31232, 36112, 37888, 62464, 72224, 75776, 124928, 144448, 151552, 249856, 288896, 303104, 499712, 577792, 1155584, 2311168, 4622336, 9244672, 18489344]

約数ペア:

[(1, 18489344), (2, 9244672), (4, 4622336), (8, 2311168), (16, 1155584), (32, 577792), (37, 499712), (61, 303104), (64, 288896), (74, 249856), (122, 151552), (128, 144448), (148, 124928), (244, 75776), (256, 72224), (296, 62464), (488, 37888), (512, 36112), (592, 31232), (976, 18944), (1024, 18056), (1184, 15616), (1952, 9472), (2048, 9028), (2257, 8192), (2368, 7808), (3904, 4736), (4096, 4514)]