38898928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:869

約数の個数: 40

約数和(自身を含む): 79856000

約数和(自身を除く): 40957072

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 398, 643, 796, 1286, 1592, 2572, 3184, 3781, 5144, 7562, 10288, 12217, 15124, 24434, 30248, 48868, 60496, 97736, 127957, 195472, 255914, 511828, 1023656, 2047312, 2431183, 4862366, 9724732, 19449464, 38898928]

約数ペア:

[(1, 38898928), (2, 19449464), (4, 9724732), (8, 4862366), (16, 2431183), (19, 2047312), (38, 1023656), (76, 511828), (152, 255914), (199, 195472), (304, 127957), (398, 97736), (643, 60496), (796, 48868), (1286, 30248), (1592, 24434), (2572, 15124), (3184, 12217), (3781, 10288), (5144, 7562)]