18428945

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 4251055

約数列:

[1, 5, 59, 179, 295, 349, 895, 1745, 10561, 20591, 52805, 62471, 102955, 312355, 3685789, 18428945]

約数ペア:

[(1, 18428945), (5, 3685789), (59, 312355), (179, 102955), (295, 62471), (349, 52805), (895, 20591), (1745, 10561)]