18879290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65101}}^1$

素因数の和:65137

約数の個数: 16

約数和(自身を含む): 35155080

約数和(自身を除く): 16275790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 65101, 130202, 325505, 651010, 1887929, 3775858, 9439645, 18879290]

約数ペア:

[(1, 18879290), (2, 9439645), (5, 3775858), (10, 1887929), (29, 651010), (58, 325505), (145, 130202), (290, 65101)]