18863312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3943}}^1$

素因数の和:3987

約数の個数: 40

約数和(自身を含む): 41080704

約数和(自身を除く): 22217392

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 3943, 4784, 7886, 15772, 31544, 51259, 63088, 90689, 102518, 181378, 205036, 362756, 410072, 725512, 820144, 1178957, 1451024, 2357914, 4715828, 9431656, 18863312]

約数ペア:

[(1, 18863312), (2, 9431656), (4, 4715828), (8, 2357914), (13, 1451024), (16, 1178957), (23, 820144), (26, 725512), (46, 410072), (52, 362756), (92, 205036), (104, 181378), (184, 102518), (208, 90689), (299, 63088), (368, 51259), (598, 31544), (1196, 15772), (2392, 7886), (3943, 4784)]