18380086

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 24

約数和(自身を含む): 29098872

約数和(自身を除く): 10718786

約数列:

[1, 2, 31, 62, 73, 131, 146, 262, 961, 1922, 2263, 4061, 4526, 8122, 9563, 19126, 70153, 125891, 140306, 251782, 296453, 592906, 9190043, 18380086]

約数ペア:

[(1, 18380086), (2, 9190043), (31, 592906), (62, 296453), (73, 251782), (131, 140306), (146, 125891), (262, 70153), (961, 19126), (1922, 9563), (2263, 8122), (4061, 4526)]