19007935

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 23506560

約数和(自身を除く): 4498625

約数列:

[1, 5, 43, 211, 215, 419, 1055, 2095, 9073, 18017, 45365, 88409, 90085, 442045, 3801587, 19007935]

約数ペア:

[(1, 19007935), (5, 3801587), (43, 442045), (211, 90085), (215, 88409), (419, 45365), (1055, 18017), (2095, 9073)]