18267873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 28022400

約数和(自身を除く): 9754527

約数列:

[1, 3, 13, 19, 39, 57, 89, 247, 267, 277, 741, 831, 1157, 1691, 3471, 3601, 5073, 5263, 10803, 15789, 21983, 24653, 65949, 68419, 73959, 205257, 320489, 468407, 961467, 1405221, 6089291, 18267873]

約数ペア:

[(1, 18267873), (3, 6089291), (13, 1405221), (19, 961467), (39, 468407), (57, 320489), (89, 205257), (247, 73959), (267, 68419), (277, 65949), (741, 24653), (831, 21983), (1157, 15789), (1691, 10803), (3471, 5263), (3601, 5073)]