19836115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 7129901

約数列:

[1, 5, 13, 43, 47, 65, 151, 215, 235, 559, 611, 755, 1963, 2021, 2795, 3055, 6493, 7097, 9815, 10105, 26273, 32465, 35485, 84409, 92261, 131365, 305171, 422045, 461305, 1525855, 3967223, 19836115]

約数ペア:

[(1, 19836115), (5, 3967223), (13, 1525855), (43, 461305), (47, 422045), (65, 305171), (151, 131365), (215, 92261), (235, 84409), (559, 35485), (611, 32465), (755, 26273), (1963, 10105), (2021, 9815), (2795, 7097), (3055, 6493)]