17998694

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 31850496

約数和(自身を除く): 13851802

約数列:

[1, 2, 7, 14, 53, 106, 127, 191, 254, 371, 382, 742, 889, 1337, 1778, 2674, 6731, 10123, 13462, 20246, 24257, 47117, 48514, 70861, 94234, 141722, 169799, 339598, 1285621, 2571242, 8999347, 17998694]

約数ペア:

[(1, 17998694), (2, 8999347), (7, 2571242), (14, 1285621), (53, 339598), (106, 169799), (127, 141722), (191, 94234), (254, 70861), (371, 48514), (382, 47117), (742, 24257), (889, 20246), (1337, 13462), (1778, 10123), (2674, 6731)]