19389759

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{1861}}^1$

素因数の和:2038

約数の個数: 16

約数和(自身を含む): 27170304

約数和(自身を除く): 7780545

約数列:

[1, 3, 23, 69, 151, 453, 1861, 3473, 5583, 10419, 42803, 128409, 281011, 843033, 6463253, 19389759]

約数ペア:

[(1, 19389759), (3, 6463253), (23, 843033), (69, 281011), (151, 128409), (453, 42803), (1861, 10419), (3473, 5583)]