18289610

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4561}}^1$

素因数の和:4969

約数の個数: 16

約数和(自身を含む): 33010632

約数和(自身を除く): 14721022

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4561, 9122, 22805, 45610, 1828961, 3657922, 9144805, 18289610]

約数ペア:

[(1, 18289610), (2, 9144805), (5, 3657922), (10, 1828961), (401, 45610), (802, 22805), (2005, 9122), (4010, 4561)]