19999429

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 21954240

約数和(自身を除く): 1954811

約数列:

[1, 17, 43, 109, 251, 731, 1853, 4267, 4687, 10793, 27359, 79679, 183481, 465103, 1176437, 19999429]

約数ペア:

[(1, 19999429), (17, 1176437), (43, 465103), (109, 183481), (251, 79679), (731, 27359), (1853, 10793), (4267, 4687)]