18090751

素因数分解:

$7^2\times {\mathrm{29}}^2\times {\mathrm{439}}^1$

素因数の和:511

約数の個数: 18

約数和(自身を含む): 21844680

約数和(自身を除く): 3753929

約数列:

[1, 7, 29, 49, 203, 439, 841, 1421, 3073, 5887, 12731, 21511, 41209, 89117, 369199, 623819, 2584393, 18090751]

約数ペア:

[(1, 18090751), (7, 2584393), (29, 623819), (49, 369199), (203, 89117), (439, 41209), (841, 21511), (1421, 12731), (3073, 5887)]