18360878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^2$

素因数の和:260

約数の個数: 24

約数和(自身を含む): 29800920

約数和(自身を除く): 11440042

約数列:

[1, 2, 19, 38, 61, 89, 122, 178, 1159, 1691, 2318, 3382, 5429, 7921, 10858, 15842, 103151, 150499, 206302, 300998, 483181, 966362, 9180439, 18360878]

約数ペア:

[(1, 18360878), (2, 9180439), (19, 966362), (38, 483181), (61, 300998), (89, 206302), (122, 150499), (178, 103151), (1159, 15842), (1691, 10858), (2318, 7921), (3382, 5429)]