18668508

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 26237892

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 149, 159, 197, 212, 298, 318, 394, 447, 591, 596, 636, 788, 894, 1182, 1788, 2364, 7897, 10441, 15794, 20882, 23691, 29353, 31323, 31588, 41764, 47382, 58706, 62646, 88059, 94764, 117412, 125292, 176118, 352236, 1555709, 3111418, 4667127, 6222836, 9334254, 18668508]

約数ペア:

[(1, 18668508), (2, 9334254), (3, 6222836), (4, 4667127), (6, 3111418), (12, 1555709), (53, 352236), (106, 176118), (149, 125292), (159, 117412), (197, 94764), (212, 88059), (298, 62646), (318, 58706), (394, 47382), (447, 41764), (591, 31588), (596, 31323), (636, 29353), (788, 23691), (894, 20882), (1182, 15794), (1788, 10441), (2364, 7897)]