18166983

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2\times {\mathrm{71}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 26248320

約数和(自身を除く): 8081337

約数列:

[1, 3, 19, 57, 67, 71, 201, 213, 1273, 1349, 3819, 4047, 4489, 4757, 13467, 14271, 85291, 90383, 255873, 271149, 318719, 956157, 6055661, 18166983]

約数ペア:

[(1, 18166983), (3, 6055661), (19, 956157), (57, 318719), (67, 271149), (71, 255873), (201, 90383), (213, 85291), (1273, 14271), (1349, 13467), (3819, 4757), (4047, 4489)]