18568780

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8677}}^1$

素因数の和:8793

約数の個数: 24

約数和(自身を含む): 39363408

約数和(自身を除く): 20794628

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8677, 17354, 34708, 43385, 86770, 173540, 928439, 1856878, 3713756, 4642195, 9284390, 18568780]

約数ペア:

[(1, 18568780), (2, 9284390), (4, 4642195), (5, 3713756), (10, 1856878), (20, 928439), (107, 173540), (214, 86770), (428, 43385), (535, 34708), (1070, 17354), (2140, 8677)]