19430575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 25779600

約数和(自身を除く): 6349025

約数列:

[1, 5, 17, 25, 85, 131, 349, 425, 655, 1745, 2227, 3275, 5933, 8725, 11135, 29665, 45719, 55675, 148325, 228595, 777223, 1142975, 3886115, 19430575]

約数ペア:

[(1, 19430575), (5, 3886115), (17, 1142975), (25, 777223), (85, 228595), (131, 148325), (349, 55675), (425, 45719), (655, 29665), (1745, 11135), (2227, 8725), (3275, 5933)]