19578207

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3929}}^1$

素因数の和:4094

約数の個数: 16

約数和(自身を含む): 28673280

約数和(自身を除く): 9095073

約数列:

[1, 3, 11, 33, 151, 453, 1661, 3929, 4983, 11787, 43219, 129657, 593279, 1779837, 6526069, 19578207]

約数ペア:

[(1, 19578207), (3, 6526069), (11, 1779837), (33, 593279), (151, 129657), (453, 43219), (1661, 11787), (3929, 4983)]