18857468

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5303}}^1$

素因数の和:5441

約数の個数: 24

約数和(自身を含む): 38019072

約数和(自身を除く): 19161604

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5303, 10606, 21212, 37121, 74242, 148484, 673481, 1346962, 2693924, 4714367, 9428734, 18857468]

約数ペア:

[(1, 18857468), (2, 9428734), (4, 4714367), (7, 2693924), (14, 1346962), (28, 673481), (127, 148484), (254, 74242), (508, 37121), (889, 21212), (1778, 10606), (3556, 5303)]