18423131390

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1801}}^1\times {\mathrm{27647}}^1$

素因数の和:29492

約数の個数: 32

約数和(自身を含む): 34078040064

約数和(自身を除く): 15654908674

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 1801, 3602, 9005, 18010, 27647, 55294, 66637, 133274, 138235, 276470, 333185, 666370, 1022939, 2045878, 5114695, 10229390, 49792247, 99584494, 248961235, 497922470, 1842313139, 3684626278, 9211565695, 18423131390]

約数ペア:

[(1, 18423131390), (2, 9211565695), (5, 3684626278), (10, 1842313139), (37, 497922470), (74, 248961235), (185, 99584494), (370, 49792247), (1801, 10229390), (3602, 5114695), (9005, 2045878), (18010, 1022939), (27647, 666370), (55294, 333185), (66637, 276470), (133274, 138235)]