16421890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4549}}^1$

素因数の和:4594

約数の個数: 24

約数和(自身を含む): 31203900

約数和(自身を除く): 14782010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 4549, 9098, 22745, 45490, 86431, 172862, 432155, 864310, 1642189, 3284378, 8210945, 16421890]

約数ペア:

[(1, 16421890), (2, 8210945), (5, 3284378), (10, 1642189), (19, 864310), (38, 432155), (95, 172862), (190, 86431), (361, 45490), (722, 22745), (1805, 9098), (3610, 4549)]