18120687

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 26492544

約数和(自身を除く): 8371857

約数列:

[1, 3, 13, 39, 103, 169, 309, 347, 507, 1041, 1339, 4017, 4511, 13533, 17407, 35741, 52221, 58643, 107223, 175929, 464633, 1393899, 6040229, 18120687]

約数ペア:

[(1, 18120687), (3, 6040229), (13, 1393899), (39, 464633), (103, 175929), (169, 107223), (309, 58643), (347, 52221), (507, 35741), (1041, 17407), (1339, 13533), (4017, 4511)]