18538148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{691}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 34295520

約数和(自身を除く): 15757372

約数列:

[1, 2, 4, 19, 38, 76, 353, 691, 706, 1382, 1412, 2764, 6707, 13129, 13414, 26258, 26828, 52516, 243923, 487846, 975692, 4634537, 9269074, 18538148]

約数ペア:

[(1, 18538148), (2, 9269074), (4, 4634537), (19, 975692), (38, 487846), (76, 243923), (353, 52516), (691, 26828), (706, 26258), (1382, 13414), (1412, 13129), (2764, 6707)]