18697942

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1307}}^1$

素因数の和:1643

約数の個数: 16

約数和(自身を含む): 29382912

約数和(自身を除く): 10684970

約数列:

[1, 2, 23, 46, 311, 622, 1307, 2614, 7153, 14306, 30061, 60122, 406477, 812954, 9348971, 18697942]

約数ペア:

[(1, 18697942), (2, 9348971), (23, 812954), (46, 406477), (311, 60122), (622, 30061), (1307, 14306), (2614, 7153)]