19171323

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12457}}^1$

素因数の和:12488

約数の個数: 20

約数和(自身を含む): 30148360

約数和(自身を除く): 10977037

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12457, 37371, 112113, 236683, 336339, 710049, 1009017, 2130147, 6390441, 19171323]

約数ペア:

[(1, 19171323), (3, 6390441), (9, 2130147), (19, 1009017), (27, 710049), (57, 336339), (81, 236683), (171, 112113), (513, 37371), (1539, 12457)]