18545895

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8081}}^1$

素因数の和:8112

約数の個数: 32

約数和(自身を含む): 34914240

約数和(自身を除く): 16368345

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8081, 24243, 40405, 72729, 121215, 137377, 218187, 363645, 412131, 686885, 1090935, 1236393, 2060655, 3709179, 6181965, 18545895]

約数ペア:

[(1, 18545895), (3, 6181965), (5, 3709179), (9, 2060655), (15, 1236393), (17, 1090935), (27, 686885), (45, 412131), (51, 363645), (85, 218187), (135, 137377), (153, 121215), (255, 72729), (459, 40405), (765, 24243), (2295, 8081)]