19140458

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1039}}^1$

素因数の和:1253

約数の個数: 16

約数和(自身を含む): 29402880

約数和(自身を除く): 10262422

約数列:

[1, 2, 61, 122, 151, 302, 1039, 2078, 9211, 18422, 63379, 126758, 156889, 313778, 9570229, 19140458]

約数ペア:

[(1, 19140458), (2, 9570229), (61, 313778), (122, 156889), (151, 126758), (302, 63379), (1039, 18422), (2078, 9211)]