18510693

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 27287040

約数和(自身を除く): 8776347

約数列:

[1, 3, 19, 37, 57, 67, 111, 131, 201, 393, 703, 1273, 2109, 2479, 2489, 3819, 4847, 7437, 7467, 8777, 14541, 26331, 47101, 92093, 141303, 166763, 276279, 324749, 500289, 974247, 6170231, 18510693]

約数ペア:

[(1, 18510693), (3, 6170231), (19, 974247), (37, 500289), (57, 324749), (67, 276279), (111, 166763), (131, 141303), (201, 92093), (393, 47101), (703, 26331), (1273, 14541), (2109, 8777), (2479, 7467), (2489, 7437), (3819, 4847)]