18690170

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4219}}^1$

素因数の和:4669

約数の個数: 16

約数和(自身を含む): 33726240

約数和(自身を除く): 15036070

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4219, 4430, 8438, 21095, 42190, 1869017, 3738034, 9345085, 18690170]

約数ペア:

[(1, 18690170), (2, 9345085), (5, 3738034), (10, 1869017), (443, 42190), (886, 21095), (2215, 8438), (4219, 4430)]