18767973

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13339}}^1$

素因数の和:13416

約数の個数: 16

約数和(自身を含む): 29027840

約数和(自身を除く): 10259867

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 13339, 40017, 93373, 280119, 893713, 2681139, 6255991, 18767973]

約数ペア:

[(1, 18767973), (3, 6255991), (7, 2681139), (21, 893713), (67, 280119), (201, 93373), (469, 40017), (1407, 13339)]