18390442

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 33914880

約数和(自身を除く): 15524438

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1471, 1786, 2942, 6251, 10297, 12502, 20594, 27949, 55898, 69137, 138274, 195643, 391286, 483959, 967918, 1313603, 2627206, 9195221, 18390442]

約数ペア:

[(1, 18390442), (2, 9195221), (7, 2627206), (14, 1313603), (19, 967918), (38, 483959), (47, 391286), (94, 195643), (133, 138274), (266, 69137), (329, 55898), (658, 27949), (893, 20594), (1471, 12502), (1786, 10297), (2942, 6251)]