18014780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128677}}^1$

素因数の和:128693

約数の個数: 24

約数和(自身を含む): 43235808

約数和(自身を除く): 25221028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128677, 257354, 514708, 643385, 900739, 1286770, 1801478, 2573540, 3602956, 4503695, 9007390, 18014780]

約数ペア:

[(1, 18014780), (2, 9007390), (4, 4503695), (5, 3602956), (7, 2573540), (10, 1801478), (14, 1286770), (20, 900739), (28, 643385), (35, 514708), (70, 257354), (140, 128677)]