18998441

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{983}}^1$

素因数の和:1252

約数の個数: 16

約数和(自身を含む): 23804928

約数和(自身を除く): 4806487

約数列:

[1, 7, 11, 77, 251, 983, 1757, 2761, 6881, 10813, 19327, 75691, 246733, 1727131, 2714063, 18998441]

約数ペア:

[(1, 18998441), (7, 2714063), (11, 1727131), (77, 246733), (251, 75691), (983, 19327), (1757, 10813), (2761, 6881)]