19695321

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 29952000

約数和(自身を除く): 10256679

約数列:

[1, 3, 9, 29, 59, 87, 177, 261, 531, 1279, 1711, 3837, 5133, 11511, 15399, 37091, 75461, 111273, 226383, 333819, 679149, 2188369, 6565107, 19695321]

約数ペア:

[(1, 19695321), (3, 6565107), (9, 2188369), (29, 679149), (59, 333819), (87, 226383), (177, 111273), (261, 75461), (531, 37091), (1279, 15399), (1711, 11511), (3837, 5133)]