19338389

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 24076800

約数和(自身を除く): 4738411

約数列:

[1, 7, 29, 31, 49, 203, 217, 439, 899, 1421, 1519, 3073, 6293, 12731, 13609, 21511, 44051, 89117, 95263, 394661, 623819, 666841, 2762627, 19338389]

約数ペア:

[(1, 19338389), (7, 2762627), (29, 666841), (31, 623819), (49, 394661), (203, 95263), (217, 89117), (439, 44051), (899, 21511), (1421, 13609), (1519, 12731), (3073, 6293)]