19804934

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1$

素因数の和:1039

約数の個数: 16

約数和(自身を含む): 30427488

約数和(自身を除く): 10622554

約数列:

[1, 2, 53, 106, 257, 514, 727, 1454, 13621, 27242, 38531, 77062, 186839, 373678, 9902467, 19804934]

約数ペア:

[(1, 19804934), (2, 9902467), (53, 373678), (106, 186839), (257, 77062), (514, 38531), (727, 27242), (1454, 13621)]