18786955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 26500608

約数和(自身を除く): 7713653

約数列:

[1, 5, 11, 17, 55, 71, 85, 187, 283, 355, 781, 935, 1207, 1415, 3113, 3905, 4811, 6035, 13277, 15565, 20093, 24055, 52921, 66385, 100465, 221023, 264605, 341581, 1105115, 1707905, 3757391, 18786955]

約数ペア:

[(1, 18786955), (5, 3757391), (11, 1707905), (17, 1105115), (55, 341581), (71, 264605), (85, 221023), (187, 100465), (283, 66385), (355, 52921), (781, 24055), (935, 20093), (1207, 15565), (1415, 13277), (3113, 6035), (3905, 4811)]