19380823

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 25223184

約数和(自身を除く): 5842361

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 877, 2009, 3157, 6139, 9647, 22099, 35957, 42973, 67529, 251699, 395527, 472703, 1761893, 2768689, 19380823]

約数ペア:

[(1, 19380823), (7, 2768689), (11, 1761893), (41, 472703), (49, 395527), (77, 251699), (287, 67529), (451, 42973), (539, 35957), (877, 22099), (2009, 9647), (3157, 6139)]