18456255

素因数分解:

$3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:445

約数の個数: 40

約数和(自身を含む): 33396000

約数和(自身を除く): 14939745

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 229, 405, 597, 687, 995, 1145, 1791, 2061, 2985, 3435, 5373, 6183, 8955, 10305, 16119, 18549, 26865, 30915, 45571, 80595, 92745, 136713, 227855, 410139, 683565, 1230417, 2050695, 3691251, 6152085, 18456255]

約数ペア:

[(1, 18456255), (3, 6152085), (5, 3691251), (9, 2050695), (15, 1230417), (27, 683565), (45, 410139), (81, 227855), (135, 136713), (199, 92745), (229, 80595), (405, 45571), (597, 30915), (687, 26865), (995, 18549), (1145, 16119), (1791, 10305), (2061, 8955), (2985, 6183), (3435, 5373)]