19662795

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25703}}^1$

素因数の和:25731

約数の個数: 24

約数和(自身を含む): 36088416

約数和(自身を除く): 16425621

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25703, 77109, 128515, 231327, 385545, 436951, 1156635, 1310853, 2184755, 3932559, 6554265, 19662795]

約数ペア:

[(1, 19662795), (3, 6554265), (5, 3932559), (9, 2184755), (15, 1310853), (17, 1156635), (45, 436951), (51, 385545), (85, 231327), (153, 128515), (255, 77109), (765, 25703)]