19986434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18749}}^1$

素因数の和:18805

約数の個数: 16

約数和(自身を含む): 33075000

約数和(自身を除く): 13088566

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 18749, 37498, 243737, 487474, 768709, 1537418, 9993217, 19986434]

約数ペア:

[(1, 19986434), (2, 9993217), (13, 1537418), (26, 768709), (41, 487474), (82, 243737), (533, 37498), (1066, 18749)]