18539402

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69697}}^1$

素因数の和:69725

約数の個数: 16

約数和(自身を含む): 33455040

約数和(自身を除く): 14915638

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 69697, 139394, 487879, 975758, 1324243, 2648486, 9269701, 18539402]

約数ペア:

[(1, 18539402), (2, 9269701), (7, 2648486), (14, 1324243), (19, 975758), (38, 487879), (133, 139394), (266, 69697)]