18804115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7951}}^1$

素因数の和:8010

約数の個数: 16

約数和(自身を含む): 25191936

約数和(自身を除く): 6387821

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 7951, 39755, 87461, 341893, 437305, 1709465, 3760823, 18804115]

約数ペア:

[(1, 18804115), (5, 3760823), (11, 1709465), (43, 437305), (55, 341893), (215, 87461), (473, 39755), (2365, 7951)]