19870424

素因数分解:

$2^3\times 7^1\times {\mathrm{354829}}^1$

素因数の和:354842

約数の個数: 16

約数和(自身を含む): 42579600

約数和(自身を除く): 22709176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 354829, 709658, 1419316, 2483803, 2838632, 4967606, 9935212, 19870424]

約数ペア:

[(1, 19870424), (2, 9935212), (4, 4967606), (7, 2838632), (8, 2483803), (14, 1419316), (28, 709658), (56, 354829)]