18912047

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3109}}^1$

素因数の和:3206

約数の個数: 16

約数和(自身を含む): 23884800

約数和(自身を除く): 4972753

約数列:

[1, 7, 11, 77, 79, 553, 869, 3109, 6083, 21763, 34199, 239393, 245611, 1719277, 2701721, 18912047]

約数ペア:

[(1, 18912047), (7, 2701721), (11, 1719277), (77, 245611), (79, 239393), (553, 34199), (869, 21763), (3109, 6083)]