19470890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67141}}^1$

素因数の和:67177

約数の個数: 16

約数和(自身を含む): 36256680

約数和(自身を除く): 16785790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 67141, 134282, 335705, 671410, 1947089, 3894178, 9735445, 19470890]

約数ペア:

[(1, 19470890), (2, 9735445), (5, 3894178), (10, 1947089), (29, 671410), (58, 335705), (145, 134282), (290, 67141)]