19666870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18043}}^1$

素因数の和:18159

約数の個数: 16

約数和(自身を含む): 35727120

約数和(自身を除く): 16060250

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18043, 36086, 90215, 180430, 1966687, 3933374, 9833435, 19666870]

約数ペア:

[(1, 19666870), (2, 9833435), (5, 3933374), (10, 1966687), (109, 180430), (218, 90215), (545, 36086), (1090, 18043)]