18210556

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 40062400

約数和(自身を除く): 21851844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1021, 1274, 1372, 2042, 2548, 4084, 4459, 7147, 8918, 13273, 14294, 17836, 26546, 28588, 50029, 53092, 92911, 100058, 185822, 200116, 350203, 371644, 650377, 700406, 1300754, 1400812, 2601508, 4552639, 9105278, 18210556]

約数ペア:

[(1, 18210556), (2, 9105278), (4, 4552639), (7, 2601508), (13, 1400812), (14, 1300754), (26, 700406), (28, 650377), (49, 371644), (52, 350203), (91, 200116), (98, 185822), (182, 100058), (196, 92911), (343, 53092), (364, 50029), (637, 28588), (686, 26546), (1021, 17836), (1274, 14294), (1372, 13273), (2042, 8918), (2548, 7147), (4084, 4459)]