19726135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 8723657

約数列:

[1, 5, 11, 13, 47, 55, 65, 143, 235, 517, 587, 611, 715, 2585, 2935, 3055, 6457, 6721, 7631, 27589, 32285, 33605, 38155, 83941, 137945, 303479, 358657, 419705, 1517395, 1793285, 3945227, 19726135]

約数ペア:

[(1, 19726135), (5, 3945227), (11, 1793285), (13, 1517395), (47, 419705), (55, 358657), (65, 303479), (143, 137945), (235, 83941), (517, 38155), (587, 33605), (611, 32285), (715, 27589), (2585, 7631), (2935, 6721), (3055, 6457)]