19612761

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6719}}^1$

素因数の和:6868

約数の個数: 16

約数和(自身を含む): 30105600

約数和(自身を除く): 10492839

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6719, 20157, 47033, 141099, 933941, 2801823, 6537587, 19612761]

約数ペア:

[(1, 19612761), (3, 6537587), (7, 2801823), (21, 933941), (139, 141099), (417, 47033), (973, 20157), (2919, 6719)]