19040265

素因数分解:

$3^5\times 5^1\times {\mathrm{15671}}^1$

素因数の和:15691

約数の個数: 24

約数和(自身を含む): 34227648

約数和(自身を除く): 15187383

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 15671, 47013, 78355, 141039, 235065, 423117, 705195, 1269351, 2115585, 3808053, 6346755, 19040265]

約数ペア:

[(1, 19040265), (3, 6346755), (5, 3808053), (9, 2115585), (15, 1269351), (27, 705195), (45, 423117), (81, 235065), (135, 141039), (243, 78355), (405, 47013), (1215, 15671)]