19938864057

素因数分解:

$3^1\times 7^3\times {\mathrm{19376933}}^1$

素因数の和:19376957

約数の個数: 16

約数和(自身を含む): 31003094400

約数和(自身を除く): 11064230343

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 19376933, 58130799, 135638531, 406915593, 949469717, 2848409151, 6646288019, 19938864057]

約数ペア:

[(1, 19938864057), (3, 6646288019), (7, 2848409151), (21, 949469717), (49, 406915593), (147, 135638531), (343, 58130799), (1029, 19376933)]