18502922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5471}}^1$

素因数の和:5581

約数の個数: 16

約数和(自身を含む): 29548800

約数和(自身を除く): 11045878

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 5471, 10942, 103949, 207898, 486919, 973838, 9251461, 18502922]

約数ペア:

[(1, 18502922), (2, 9251461), (19, 973838), (38, 486919), (89, 207898), (178, 103949), (1691, 10942), (3382, 5471)]