18860138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37273}}^1$

素因数の和:37309

約数の個数: 16

約数和(自身を含む): 32204736

約数和(自身を除く): 13344598

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37273, 74546, 410003, 820006, 857279, 1714558, 9430069, 18860138]

約数ペア:

[(1, 18860138), (2, 9430069), (11, 1714558), (22, 857279), (23, 820006), (46, 410003), (253, 74546), (506, 37273)]