18770965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 4614635

約数列:

[1, 5, 31, 155, 347, 349, 1735, 1745, 10757, 10819, 53785, 54095, 121103, 605515, 3754193, 18770965]

約数ペア:

[(1, 18770965), (5, 3754193), (31, 605515), (155, 121103), (347, 54095), (349, 53785), (1735, 10819), (1745, 10757)]