18056680

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1019}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 40759200

約数和(自身を除く): 22702520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1019, 1772, 2038, 2215, 3544, 4076, 4430, 5095, 8152, 8860, 10190, 17720, 20380, 40760, 451417, 902834, 1805668, 2257085, 3611336, 4514170, 9028340, 18056680]

約数ペア:

[(1, 18056680), (2, 9028340), (4, 4514170), (5, 3611336), (8, 2257085), (10, 1805668), (20, 902834), (40, 451417), (443, 40760), (886, 20380), (1019, 17720), (1772, 10190), (2038, 8860), (2215, 8152), (3544, 5095), (4076, 4430)]