18678325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 24909120

約数和(自身を除く): 6230795

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 619, 1207, 1775, 3095, 6035, 10523, 15475, 30175, 43949, 52615, 219745, 263075, 747133, 1098725, 3735665, 18678325]

約数ペア:

[(1, 18678325), (5, 3735665), (17, 1098725), (25, 747133), (71, 263075), (85, 219745), (355, 52615), (425, 43949), (619, 30175), (1207, 15475), (1775, 10523), (3095, 6035)]