19921030

素因数分解:

$2^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2039}}^1$

素因数の和:3023

約数の個数: 16

約数和(自身を含む): 35912160

約数和(自身を除く): 15991130

約数列:

[1, 2, 5, 10, 977, 1954, 2039, 4078, 4885, 9770, 10195, 20390, 1992103, 3984206, 9960515, 19921030]

約数ペア:

[(1, 19921030), (2, 9960515), (5, 3984206), (10, 1992103), (977, 20390), (1954, 10195), (2039, 9770), (4078, 4885)]