19710666

素因数分解:

$2^1\times 3^2\times {\mathrm{719}}^1\times {\mathrm{1523}}^1$

素因数の和:2250

約数の個数: 24

約数和(自身を含む): 42793920

約数和(自身を除く): 23083254

約数列:

[1, 2, 3, 6, 9, 18, 719, 1438, 1523, 2157, 3046, 4314, 4569, 6471, 9138, 12942, 13707, 27414, 1095037, 2190074, 3285111, 6570222, 9855333, 19710666]

約数ペア:

[(1, 19710666), (2, 9855333), (3, 6570222), (6, 3285111), (9, 2190074), (18, 1095037), (719, 27414), (1438, 13707), (1523, 12942), (2157, 9138), (3046, 6471), (4314, 4569)]