18808528

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69149}}^1$

素因数の和:69174

約数の個数: 20

約数和(自身を含む): 38585700

約数和(自身を除く): 19777172

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69149, 138298, 276596, 553192, 1106384, 1175533, 2351066, 4702132, 9404264, 18808528]

約数ペア:

[(1, 18808528), (2, 9404264), (4, 4702132), (8, 2351066), (16, 1175533), (17, 1106384), (34, 553192), (68, 276596), (136, 138298), (272, 69149)]