19994392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3851}}^1$

素因数の和:3927

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 21607208

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3851, 5192, 7702, 15404, 30808, 42361, 84722, 169444, 227209, 338888, 454418, 908836, 1817672, 2499299, 4998598, 9997196, 19994392]

約数ペア:

[(1, 19994392), (2, 9997196), (4, 4998598), (8, 2499299), (11, 1817672), (22, 908836), (44, 454418), (59, 338888), (88, 227209), (118, 169444), (236, 84722), (472, 42361), (649, 30808), (1298, 15404), (2596, 7702), (3851, 5192)]