19988798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5107}}^1$

素因数の和:5231

約数の個数: 16

約数和(自身を含む): 31873920

約数和(自身を除く): 11885122

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5107, 10214, 97033, 194066, 526021, 1052042, 9994399, 19988798]

約数ペア:

[(1, 19988798), (2, 9994399), (19, 1052042), (38, 526021), (103, 194066), (206, 97033), (1957, 10214), (3914, 5107)]