18874924

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 34334496

約数和(自身を除く): 15459572

約数列:

[1, 2, 4, 41, 71, 82, 142, 164, 284, 1621, 2911, 3242, 5822, 6484, 11644, 66461, 115091, 132922, 230182, 265844, 460364, 4718731, 9437462, 18874924]

約数ペア:

[(1, 18874924), (2, 9437462), (4, 4718731), (41, 460364), (71, 265844), (82, 230182), (142, 132922), (164, 115091), (284, 66461), (1621, 11644), (2911, 6484), (3242, 5822)]