18889216

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:564

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 19411904

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 467, 512, 632, 934, 1264, 1868, 2528, 3736, 5056, 7472, 10112, 14944, 20224, 29888, 36893, 40448, 59776, 73786, 119552, 147572, 239104, 295144, 590288, 1180576, 2361152, 4722304, 9444608, 18889216]

約数ペア:

[(1, 18889216), (2, 9444608), (4, 4722304), (8, 2361152), (16, 1180576), (32, 590288), (64, 295144), (79, 239104), (128, 147572), (158, 119552), (256, 73786), (316, 59776), (467, 40448), (512, 36893), (632, 29888), (934, 20224), (1264, 14944), (1868, 10112), (2528, 7472), (3736, 5056)]