19539375

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:653

約数の個数: 40

約数和(自身を含む): 34526448

約数和(自身を除く): 14987073

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 613, 625, 1275, 1839, 1875, 2125, 3065, 6375, 9195, 10421, 10625, 15325, 31263, 31875, 45975, 52105, 76625, 156315, 229875, 260525, 383125, 781575, 1149375, 1302625, 3907875, 6513125, 19539375]

約数ペア:

[(1, 19539375), (3, 6513125), (5, 3907875), (15, 1302625), (17, 1149375), (25, 781575), (51, 383125), (75, 260525), (85, 229875), (125, 156315), (255, 76625), (375, 52105), (425, 45975), (613, 31875), (625, 31263), (1275, 15325), (1839, 10625), (1875, 10421), (2125, 9195), (3065, 6375)]