19126125

素因数分解:

$3^4\times 5^3\times {\mathrm{1889}}^1$

素因数の和:1916

約数の個数: 40

約数和(自身を含む): 35675640

約数和(自身を除く): 16549515

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 1889, 2025, 3375, 5667, 9445, 10125, 17001, 28335, 47225, 51003, 85005, 141675, 153009, 236125, 255015, 425025, 708375, 765045, 1275075, 2125125, 3825225, 6375375, 19126125]

約数ペア:

[(1, 19126125), (3, 6375375), (5, 3825225), (9, 2125125), (15, 1275075), (25, 765045), (27, 708375), (45, 425025), (75, 255015), (81, 236125), (125, 153009), (135, 141675), (225, 85005), (375, 51003), (405, 47225), (675, 28335), (1125, 17001), (1889, 10125), (2025, 9445), (3375, 5667)]