18471249

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 28371200

約数和(自身を除く): 9899951

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 991, 2071, 2973, 6213, 8919, 18639, 18829, 56487, 108019, 169461, 324057, 972171, 2052361, 6157083, 18471249]

約数ペア:

[(1, 18471249), (3, 6157083), (9, 2052361), (19, 972171), (57, 324057), (109, 169461), (171, 108019), (327, 56487), (981, 18829), (991, 18639), (2071, 8919), (2973, 6213)]