18509296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 41622336

約数和(自身を除く): 23113040

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 53, 73, 92, 104, 106, 146, 184, 208, 212, 292, 299, 368, 424, 584, 598, 689, 848, 949, 1168, 1196, 1219, 1378, 1679, 1898, 2392, 2438, 2756, 3358, 3796, 3869, 4784, 4876, 5512, 6716, 7592, 7738, 9752, 11024, 13432, 15184, 15476, 15847, 19504, 21827, 26864, 30952, 31694, 43654, 50297, 61904, 63388, 87308, 88987, 100594, 126776, 174616, 177974, 201188, 253552, 349232, 355948, 402376, 711896, 804752, 1156831, 1423792, 2313662, 4627324, 9254648, 18509296]

約数ペア:

[(1, 18509296), (2, 9254648), (4, 4627324), (8, 2313662), (13, 1423792), (16, 1156831), (23, 804752), (26, 711896), (46, 402376), (52, 355948), (53, 349232), (73, 253552), (92, 201188), (104, 177974), (106, 174616), (146, 126776), (184, 100594), (208, 88987), (212, 87308), (292, 63388), (299, 61904), (368, 50297), (424, 43654), (584, 31694), (598, 30952), (689, 26864), (848, 21827), (949, 19504), (1168, 15847), (1196, 15476), (1219, 15184), (1378, 13432), (1679, 11024), (1898, 9752), (2392, 7738), (2438, 7592), (2756, 6716), (3358, 5512), (3796, 4876), (3869, 4784)]