18071420

素因数分解:

$2^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3359}}^1$

素因数の和:3637

約数の個数: 24

約数和(自身を含む): 38102400

約数和(自身を除く): 20030980

約数列:

[1, 2, 4, 5, 10, 20, 269, 538, 1076, 1345, 2690, 3359, 5380, 6718, 13436, 16795, 33590, 67180, 903571, 1807142, 3614284, 4517855, 9035710, 18071420]

約数ペア:

[(1, 18071420), (2, 9035710), (4, 4517855), (5, 3614284), (10, 1807142), (20, 903571), (269, 67180), (538, 33590), (1076, 16795), (1345, 13436), (2690, 6718), (3359, 5380)]