19789522

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6421}}^1$

素因数の和:6513

約数の個数: 16

約数和(自身を含む): 31442112

約数和(自身を除く): 11652590

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6421, 12842, 147683, 295366, 430207, 860414, 9894761, 19789522]

約数ペア:

[(1, 19789522), (2, 9894761), (23, 860414), (46, 430207), (67, 295366), (134, 147683), (1541, 12842), (3082, 6421)]