19664961

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{367}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 26866944

約数和(自身を除く): 7201983

約数列:

[1, 3, 53, 159, 337, 367, 1011, 1101, 17861, 19451, 53583, 58353, 123679, 371037, 6554987, 19664961]

約数ペア:

[(1, 19664961), (3, 6554987), (53, 371037), (159, 123679), (337, 58353), (367, 53583), (1011, 19451), (1101, 17861)]