18205416

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{1697}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 49666500

約数和(自身を除く): 31461084

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1697, 1788, 2682, 3394, 3576, 5091, 5364, 6788, 10182, 10728, 13576, 15273, 20364, 30546, 40728, 61092, 122184, 252853, 505706, 758559, 1011412, 1517118, 2022824, 2275677, 3034236, 4551354, 6068472, 9102708, 18205416]

約数ペア:

[(1, 18205416), (2, 9102708), (3, 6068472), (4, 4551354), (6, 3034236), (8, 2275677), (9, 2022824), (12, 1517118), (18, 1011412), (24, 758559), (36, 505706), (72, 252853), (149, 122184), (298, 61092), (447, 40728), (596, 30546), (894, 20364), (1192, 15273), (1341, 13576), (1697, 10728), (1788, 10182), (2682, 6788), (3394, 5364), (3576, 5091)]