18039489

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 27439104

約数和(自身を除く): 9399615

約数列:

[1, 3, 13, 31, 39, 43, 93, 129, 347, 403, 559, 1041, 1209, 1333, 1677, 3999, 4511, 10757, 13533, 14921, 17329, 32271, 44763, 51987, 139841, 193973, 419523, 462551, 581919, 1387653, 6013163, 18039489]

約数ペア:

[(1, 18039489), (3, 6013163), (13, 1387653), (31, 581919), (39, 462551), (43, 419523), (93, 193973), (129, 139841), (347, 51987), (403, 44763), (559, 32271), (1041, 17329), (1209, 14921), (1333, 13533), (1677, 10757), (3999, 4511)]