18235815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5501}}^1$

素因数の和:5539

約数の個数: 32

約数和(自身を含む): 33276096

約数和(自身を除く): 15040281

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 5501, 16503, 27505, 71513, 82515, 93517, 214539, 280551, 357565, 467585, 1072695, 1215721, 1402755, 3647163, 6078605, 18235815]

約数ペア:

[(1, 18235815), (3, 6078605), (5, 3647163), (13, 1402755), (15, 1215721), (17, 1072695), (39, 467585), (51, 357565), (65, 280551), (85, 214539), (195, 93517), (221, 82515), (255, 71513), (663, 27505), (1105, 16503), (3315, 5501)]