12213938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17909}}^1$

素因数の和:17953

約数の個数: 16

約数和(自身を含む): 20632320

約数和(自身を除く): 8418382

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 17909, 35818, 196999, 393998, 555179, 1110358, 6106969, 12213938]

約数ペア:

[(1, 12213938), (2, 6106969), (11, 1110358), (22, 555179), (31, 393998), (62, 196999), (341, 35818), (682, 17909)]