19798965

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8627}}^1$

素因数の和:8658

約数の個数: 32

約数和(自身を含む): 37272960

約数和(自身を除く): 17473995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8627, 25881, 43135, 77643, 129405, 146659, 232929, 388215, 439977, 733295, 1164645, 1319931, 2199885, 3959793, 6599655, 19798965]

約数ペア:

[(1, 19798965), (3, 6599655), (5, 3959793), (9, 2199885), (15, 1319931), (17, 1164645), (27, 733295), (45, 439977), (51, 388215), (85, 232929), (135, 146659), (153, 129405), (255, 77643), (459, 43135), (765, 25881), (2295, 8627)]