19555695

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8521}}^1$

素因数の和:8552

約数の個数: 32

約数和(自身を含む): 36815040

約数和(自身を除く): 17259345

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8521, 25563, 42605, 76689, 127815, 144857, 230067, 383445, 434571, 724285, 1150335, 1303713, 2172855, 3911139, 6518565, 19555695]

約数ペア:

[(1, 19555695), (3, 6518565), (5, 3911139), (9, 2172855), (15, 1303713), (17, 1150335), (27, 724285), (45, 434571), (51, 383445), (85, 230067), (135, 144857), (153, 127815), (255, 76689), (459, 42605), (765, 25563), (2295, 8521)]