19493768

素因数分解:

$2^3\times 7^2\times {\mathrm{223}}^2$

素因数の和:466

約数の個数: 36

約数和(自身を含む): 42709815

約数和(自身を除く): 23216047

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 223, 392, 446, 892, 1561, 1784, 3122, 6244, 10927, 12488, 21854, 43708, 49729, 87416, 99458, 198916, 348103, 397832, 696206, 1392412, 2436721, 2784824, 4873442, 9746884, 19493768]

約数ペア:

[(1, 19493768), (2, 9746884), (4, 4873442), (7, 2784824), (8, 2436721), (14, 1392412), (28, 696206), (49, 397832), (56, 348103), (98, 198916), (196, 99458), (223, 87416), (392, 49729), (446, 43708), (892, 21854), (1561, 12488), (1784, 10927), (3122, 6244)]