18474379

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3581}}^1$

素因数の和:3666

約数の個数: 16

約数和(自身を含む): 23383296

約数和(自身を除く): 4908917

約数列:

[1, 7, 11, 67, 77, 469, 737, 3581, 5159, 25067, 39391, 239927, 275737, 1679489, 2639197, 18474379]

約数ペア:

[(1, 18474379), (7, 2639197), (11, 1679489), (67, 275737), (77, 239927), (469, 39391), (737, 25067), (3581, 5159)]