18828340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14051}}^1$

素因数の和:14127

約数の個数: 24

約数和(自身を含む): 40132512

約数和(自身を除く): 21304172

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14051, 28102, 56204, 70255, 140510, 281020, 941417, 1882834, 3765668, 4707085, 9414170, 18828340]

約数ペア:

[(1, 18828340), (2, 9414170), (4, 4707085), (5, 3765668), (10, 1882834), (20, 941417), (67, 281020), (134, 140510), (268, 70255), (335, 56204), (670, 28102), (1340, 14051)]