19051109

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 23849856

約数和(自身を除く): 4798747

約数列:

[1, 7, 11, 77, 401, 617, 2807, 4319, 4411, 6787, 30877, 47509, 247417, 1731919, 2721587, 19051109]

約数ペア:

[(1, 19051109), (7, 2721587), (11, 1731919), (77, 247417), (401, 47509), (617, 30877), (2807, 6787), (4319, 4411)]