15515020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40829}}^1$

素因数の和:40857

約数の個数: 24

約数和(自身を含む): 34297200

約数和(自身を除く): 18782180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40829, 81658, 163316, 204145, 408290, 775751, 816580, 1551502, 3103004, 3878755, 7757510, 15515020]

約数ペア:

[(1, 15515020), (2, 7757510), (4, 3878755), (5, 3103004), (10, 1551502), (19, 816580), (20, 775751), (38, 408290), (76, 204145), (95, 163316), (190, 81658), (380, 40829)]