19706984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{937}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 40521600

約数和(自身を除く): 20814616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 937, 956, 1874, 1912, 2629, 3748, 5258, 7496, 10307, 10516, 20614, 21032, 41228, 82456, 223943, 447886, 895772, 1791544, 2463373, 4926746, 9853492, 19706984]

約数ペア:

[(1, 19706984), (2, 9853492), (4, 4926746), (8, 2463373), (11, 1791544), (22, 895772), (44, 447886), (88, 223943), (239, 82456), (478, 41228), (937, 21032), (956, 20614), (1874, 10516), (1912, 10307), (2629, 7496), (3748, 5258)]