17916981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5153}}^1$

素因数の和:5236

約数の個数: 16

約数和(自身を含む): 25563840

約数和(自身を除く): 7646859

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5153, 15459, 97907, 293721, 314333, 942999, 5972327, 17916981]

約数ペア:

[(1, 17916981), (3, 5972327), (19, 942999), (57, 314333), (61, 293721), (183, 97907), (1159, 15459), (3477, 5153)]