18801794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12037}}^1$

素因数の和:12121

約数の個数: 16

約数和(自身を含む): 31202496

約数和(自身を除く): 12400702

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12037, 24074, 132407, 264814, 854627, 1709254, 9400897, 18801794]

約数ペア:

[(1, 18801794), (2, 9400897), (11, 1709254), (22, 854627), (71, 264814), (142, 132407), (781, 24074), (1562, 12037)]