19841801

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:772

約数の個数: 16

約数和(自身を含む): 23804928

約数和(自身を除く): 3963127

約数列:

[1, 7, 23, 161, 251, 491, 1757, 3437, 5773, 11293, 40411, 79051, 123241, 862687, 2834543, 19841801]

約数ペア:

[(1, 19841801), (7, 2834543), (23, 862687), (161, 123241), (251, 79051), (491, 40411), (1757, 11293), (3437, 5773)]