19449464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 38640000

約数和(自身を除く): 19190536

約数列:

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

約数ペア:

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