18860834

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4987}}^1$

素因数の和:5081

約数の個数: 16

約数和(自身を含む): 29688576

約数和(自身を除く): 10827742

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 4987, 9974, 154597, 304207, 309194, 608414, 9430417, 18860834]

約数ペア:

[(1, 18860834), (2, 9430417), (31, 608414), (61, 309194), (62, 304207), (122, 154597), (1891, 9974), (3782, 4987)]