18798426

素因数分解:

$2^1\times 3^3\times {\mathrm{491}}^1\times {\mathrm{709}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 41918400

約数和(自身を除く): 23119974

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 491, 709, 982, 1418, 1473, 2127, 2946, 4254, 4419, 6381, 8838, 12762, 13257, 19143, 26514, 38286, 348119, 696238, 1044357, 2088714, 3133071, 6266142, 9399213, 18798426]

約数ペア:

[(1, 18798426), (2, 9399213), (3, 6266142), (6, 3133071), (9, 2088714), (18, 1044357), (27, 696238), (54, 348119), (491, 38286), (709, 26514), (982, 19143), (1418, 13257), (1473, 12762), (2127, 8838), (2946, 6381), (4254, 4419)]