19828707

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4357}}^1$

素因数の和:4438

約数の個数: 16

約数和(自身を含む): 27821472

約数和(自身を除く): 7992765

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4357, 4551, 13071, 161209, 178637, 483627, 535911, 6609569, 19828707]

約数ペア:

[(1, 19828707), (3, 6609569), (37, 535911), (41, 483627), (111, 178637), (123, 161209), (1517, 13071), (4357, 4551)]