19907427

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5581}}^1$

素因数の和:5654

約数の個数: 16

約数和(自身を含む): 28133280

約数和(自身を除く): 8225853

約数列:

[1, 3, 29, 41, 87, 123, 1189, 3567, 5581, 16743, 161849, 228821, 485547, 686463, 6635809, 19907427]

約数ペア:

[(1, 19907427), (3, 6635809), (29, 686463), (41, 485547), (87, 228821), (123, 161849), (1189, 16743), (3567, 5581)]