18759686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{11681}}^1$

素因数の和:11767

約数の個数: 16

約数和(自身を含む): 31120848

約数和(自身を除く): 12361162

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 11681, 23362, 128491, 256982, 852713, 1705426, 9379843, 18759686]

約数ペア:

[(1, 18759686), (2, 9379843), (11, 1705426), (22, 852713), (73, 256982), (146, 128491), (803, 23362), (1606, 11681)]