17998252

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 32432400

約数和(自身を除く): 14434148

約数列:

[1, 2, 4, 43, 86, 172, 269, 389, 538, 778, 1076, 1556, 11567, 16727, 23134, 33454, 46268, 66908, 104641, 209282, 418564, 4499563, 8999126, 17998252]

約数ペア:

[(1, 17998252), (2, 8999126), (4, 4499563), (43, 418564), (86, 209282), (172, 104641), (269, 66908), (389, 46268), (538, 33454), (778, 23134), (1076, 16727), (1556, 11567)]