18187846

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1619}}^1$

素因数の和:1799

約数の個数: 16

約数和(自身を含む): 28168560

約数和(自身を除く): 9980714

約数列:

[1, 2, 41, 82, 137, 274, 1619, 3238, 5617, 11234, 66379, 132758, 221803, 443606, 9093923, 18187846]

約数ペア:

[(1, 18187846), (2, 9093923), (41, 443606), (82, 221803), (137, 132758), (274, 66379), (1619, 11234), (3238, 5617)]