18118647

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 29107760

約数和(自身を除く): 10989113

約数列:

[1, 3, 9, 19, 27, 57, 61, 81, 171, 183, 193, 513, 549, 579, 1159, 1539, 1647, 1737, 3477, 3667, 4941, 5211, 10431, 11001, 11773, 15633, 31293, 33003, 35319, 93879, 99009, 105957, 223687, 297027, 317871, 671061, 953613, 2013183, 6039549, 18118647]

約数ペア:

[(1, 18118647), (3, 6039549), (9, 2013183), (19, 953613), (27, 671061), (57, 317871), (61, 297027), (81, 223687), (171, 105957), (183, 99009), (193, 93879), (513, 35319), (549, 33003), (579, 31293), (1159, 15633), (1539, 11773), (1647, 11001), (1737, 10431), (3477, 5211), (3667, 4941)]