18517906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{17909}}^1$

素因数の和:17969

約数の個数: 16

約数和(自身を含む): 30948480

約数和(自身を除く): 12430574

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 17909, 35818, 196999, 393998, 841723, 1683446, 9258953, 18517906]

約数ペア:

[(1, 18517906), (2, 9258953), (11, 1683446), (22, 841723), (47, 393998), (94, 196999), (517, 35818), (1034, 17909)]