2019889664

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{303469}}^1$

素因数の和:303500

約数の個数: 40

約数和(自身を含む): 4346297340

約数和(自身を除く): 2326407676

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 303469, 606938, 1213876, 2427752, 3945097, 4855504, 7890194, 9711008, 15780388, 19422016, 31560776, 38844032, 63121552, 77688064, 126243104, 155376128, 252486208, 504972416, 1009944832, 2019889664]

約数ペア:

[(1, 2019889664), (2, 1009944832), (4, 504972416), (8, 252486208), (13, 155376128), (16, 126243104), (26, 77688064), (32, 63121552), (52, 38844032), (64, 31560776), (104, 19422016), (128, 15780388), (208, 9711008), (256, 7890194), (416, 4855504), (512, 3945097), (832, 2427752), (1664, 1213876), (3328, 606938), (6656, 303469)]