19975592

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 48142080

約数和(自身を除く): 28166488

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1193, 1196, 1288, 2093, 2386, 2392, 4186, 4772, 8351, 8372, 9544, 15509, 16702, 16744, 27439, 31018, 33404, 54878, 62036, 66808, 108563, 109756, 124072, 192073, 217126, 219512, 356707, 384146, 434252, 713414, 768292, 868504, 1426828, 1536584, 2496949, 2853656, 4993898, 9987796, 19975592]

約数ペア:

[(1, 19975592), (2, 9987796), (4, 4993898), (7, 2853656), (8, 2496949), (13, 1536584), (14, 1426828), (23, 868504), (26, 768292), (28, 713414), (46, 434252), (52, 384146), (56, 356707), (91, 219512), (92, 217126), (104, 192073), (161, 124072), (182, 109756), (184, 108563), (299, 66808), (322, 62036), (364, 54878), (598, 33404), (644, 31018), (728, 27439), (1193, 16744), (1196, 16702), (1288, 15509), (2093, 9544), (2386, 8372), (2392, 8351), (4186, 4772)]