18803818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12757}}^1$

素因数の和:12837

約数の個数: 16

約数和(自身を含む): 31231584

約数和(自身を除く): 12427766

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 12757, 25514, 140327, 280654, 854719, 1709438, 9401909, 18803818]

約数ペア:

[(1, 18803818), (2, 9401909), (11, 1709438), (22, 854719), (67, 280654), (134, 140327), (737, 25514), (1474, 12757)]