19892609

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 22429440

約数和(自身を除く): 2536831

約数列:

[1, 11, 47, 109, 353, 517, 1199, 3883, 5123, 16591, 38477, 56353, 182501, 423247, 1808419, 19892609]

約数ペア:

[(1, 19892609), (11, 1808419), (47, 423247), (109, 182501), (353, 56353), (517, 38477), (1199, 16591), (3883, 5123)]