18565105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 25964064

約数和(自身を除く): 7398959

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 317, 689, 901, 1105, 1585, 3445, 4121, 4505, 5389, 11713, 16801, 20605, 26945, 58565, 70057, 84005, 218413, 285617, 350285, 1092065, 1428085, 3713021, 18565105]

約数ペア:

[(1, 18565105), (5, 3713021), (13, 1428085), (17, 1092065), (53, 350285), (65, 285617), (85, 218413), (221, 84005), (265, 70057), (317, 58565), (689, 26945), (901, 20605), (1105, 16801), (1585, 11713), (3445, 5389), (4121, 4505)]