18867990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{929}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 45398880

約数和(自身を除く): 26530890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 677, 929, 1354, 1858, 2031, 2787, 3385, 4062, 4645, 5574, 6770, 9290, 10155, 13935, 20310, 27870, 628933, 1257866, 1886799, 3144665, 3773598, 6289330, 9433995, 18867990]

約数ペア:

[(1, 18867990), (2, 9433995), (3, 6289330), (5, 3773598), (6, 3144665), (10, 1886799), (15, 1257866), (30, 628933), (677, 27870), (929, 20310), (1354, 13935), (1858, 10155), (2031, 9290), (2787, 6770), (3385, 5574), (4062, 4645)]