19990254

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{49727}}^1$

素因数の和:49799

約数の個数: 16

約数和(自身を含む): 40578048

約数和(自身を除く): 20587794

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 49727, 99454, 149181, 298362, 3331709, 6663418, 9995127, 19990254]

約数ペア:

[(1, 19990254), (2, 9995127), (3, 6663418), (6, 3331709), (67, 298362), (134, 149181), (201, 99454), (402, 49727)]