19540407

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 7070793

約数列:

[1, 3, 71, 199, 213, 461, 597, 1383, 14129, 32731, 42387, 91739, 98193, 275217, 6513469, 19540407]

約数ペア:

[(1, 19540407), (3, 6513469), (71, 275217), (199, 98193), (213, 91739), (461, 42387), (597, 32731), (1383, 14129)]