19736248

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1789}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 42530400

約数和(自身を除く): 22794152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1789, 2758, 3578, 5516, 7156, 11032, 12523, 14312, 25046, 50092, 100184, 352433, 704866, 1409732, 2467031, 2819464, 4934062, 9868124, 19736248]

約数ペア:

[(1, 19736248), (2, 9868124), (4, 4934062), (7, 2819464), (8, 2467031), (14, 1409732), (28, 704866), (56, 352433), (197, 100184), (394, 50092), (788, 25046), (1379, 14312), (1576, 12523), (1789, 11032), (2758, 7156), (3578, 5516)]