18803275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 24935904

約数和(自身を除く): 6132629

約数列:

[1, 5, 17, 25, 85, 151, 293, 425, 755, 1465, 2567, 3775, 4981, 7325, 12835, 24905, 44243, 64175, 124525, 221215, 752131, 1106075, 3760655, 18803275]

約数ペア:

[(1, 18803275), (5, 3760655), (17, 1106075), (25, 752131), (85, 221215), (151, 124525), (293, 64175), (425, 44243), (755, 24905), (1465, 12835), (2567, 7325), (3775, 4981)]