18912780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105071}}^1$

素因数の和:105086

約数の個数: 36

約数和(自身を含む): 57369312

約数和(自身を除く): 38456532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105071, 210142, 315213, 420284, 525355, 630426, 945639, 1050710, 1260852, 1576065, 1891278, 2101420, 3152130, 3782556, 4728195, 6304260, 9456390, 18912780]

約数ペア:

[(1, 18912780), (2, 9456390), (3, 6304260), (4, 4728195), (5, 3782556), (6, 3152130), (9, 2101420), (10, 1891278), (12, 1576065), (15, 1260852), (18, 1050710), (20, 945639), (30, 630426), (36, 525355), (45, 420284), (60, 315213), (90, 210142), (180, 105071)]