18521478

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{21893}}^1$

素因数の和:21948

約数の個数: 24

約数和(自身を含む): 40985568

約数和(自身を除く): 22464090

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 21893, 43786, 65679, 131358, 197037, 394074, 1028971, 2057942, 3086913, 6173826, 9260739, 18521478]

約数ペア:

[(1, 18521478), (2, 9260739), (3, 6173826), (6, 3086913), (9, 2057942), (18, 1028971), (47, 394074), (94, 197037), (141, 131358), (282, 65679), (423, 43786), (846, 21893)]