19122885

素因数分解:

$3^5\times 5^1\times {\mathrm{15739}}^1$

素因数の和:15759

約数の個数: 24

約数和(自身を含む): 34376160

約数和(自身を除く): 15253275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 15739, 47217, 78695, 141651, 236085, 424953, 708255, 1274859, 2124765, 3824577, 6374295, 19122885]

約数ペア:

[(1, 19122885), (3, 6374295), (5, 3824577), (9, 2124765), (15, 1274859), (27, 708255), (45, 424953), (81, 236085), (135, 141651), (243, 78695), (405, 47217), (1215, 15739)]