18676868

素因数分解:

$2^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2357}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 37501632

約数和(自身を除く): 18824764

約数列:

[1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981, 2357, 3962, 4714, 7924, 9428, 16499, 32998, 65996, 667031, 1334062, 2668124, 4669217, 9338434, 18676868]

約数ペア:

[(1, 18676868), (2, 9338434), (4, 4669217), (7, 2668124), (14, 1334062), (28, 667031), (283, 65996), (566, 32998), (1132, 16499), (1981, 9428), (2357, 7924), (3962, 4714)]