18274029

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 9097491

約数列:

[1, 3, 19, 23, 53, 57, 69, 159, 263, 437, 789, 1007, 1219, 1311, 3021, 3657, 4997, 6049, 13939, 14991, 18147, 23161, 41817, 69483, 114931, 264841, 320597, 344793, 794523, 961791, 6091343, 18274029]

約数ペア:

[(1, 18274029), (3, 6091343), (19, 961791), (23, 794523), (53, 344793), (57, 320597), (69, 264841), (159, 114931), (263, 69483), (437, 41817), (789, 23161), (1007, 18147), (1219, 14991), (1311, 13939), (3021, 6049), (3657, 4997)]