18447946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19501}}^1$

素因数の和:19557

約数の個数: 16

約数和(自身を含む): 30891168

約数和(自身を除く): 12443222

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19501, 39002, 214511, 429022, 838543, 1677086, 9223973, 18447946]

約数ペア:

[(1, 18447946), (2, 9223973), (11, 1677086), (22, 838543), (43, 429022), (86, 214511), (473, 39002), (946, 19501)]