20188196

素因数分解:

$2^2\times 7^2\times {\mathrm{103001}}^1$

素因数の和:103019

約数の個数: 18

約数和(自身を含む): 41097798

約数和(自身を除く): 20909602

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 103001, 206002, 412004, 721007, 1442014, 2884028, 5047049, 10094098, 20188196]

約数ペア:

[(1, 20188196), (2, 10094098), (4, 5047049), (7, 2884028), (14, 1442014), (28, 721007), (49, 412004), (98, 206002), (196, 103001)]