19551717

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7517}}^1$

素因数の和:7557

約数の個数: 18

約数和(自身を含む): 30004338

約数和(自身を除く): 10452621

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7517, 22551, 67653, 127789, 383367, 1150101, 2172413, 6517239, 19551717]

約数ペア:

[(1, 19551717), (3, 6517239), (9, 2172413), (17, 1150101), (51, 383367), (153, 127789), (289, 67653), (867, 22551), (2601, 7517)]