19417995

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8461}}^1$

素因数の和:8492

約数の個数: 32

約数和(自身を含む): 36555840

約数和(自身を除く): 17137845

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8461, 25383, 42305, 76149, 126915, 143837, 228447, 380745, 431511, 719185, 1142235, 1294533, 2157555, 3883599, 6472665, 19417995]

約数ペア:

[(1, 19417995), (3, 6472665), (5, 3883599), (9, 2157555), (15, 1294533), (17, 1142235), (27, 719185), (45, 431511), (51, 380745), (85, 228447), (135, 143837), (153, 126915), (255, 76149), (459, 42305), (765, 25383), (2295, 8461)]