1921863812

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{3970793}}^1$

素因数の和:3970819

約数の個数: 18

約数和(自身を含む): 3696809214

約数和(自身を除く): 1774945402

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 3970793, 7941586, 15883172, 43678723, 87357446, 174714892, 480465953, 960931906, 1921863812]

約数ペア:

[(1, 1921863812), (2, 960931906), (4, 480465953), (11, 174714892), (22, 87357446), (44, 43678723), (121, 15883172), (242, 7941586), (484, 3970793)]