19437155

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 4927645

約数列:

[1, 5, 31, 89, 155, 445, 1409, 2759, 7045, 13795, 43679, 125401, 218395, 627005, 3887431, 19437155]

約数ペア:

[(1, 19437155), (5, 3887431), (31, 627005), (89, 218395), (155, 125401), (445, 43679), (1409, 13795), (2759, 7045)]