19712624

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10903}}^1$

素因数の和:11024

約数の個数: 20

約数和(自身を含む): 38534736

約数和(自身を除く): 18822112

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10903, 21806, 43612, 87224, 174448, 1232039, 2464078, 4928156, 9856312, 19712624]

約数ペア:

[(1, 19712624), (2, 9856312), (4, 4928156), (8, 2464078), (16, 1232039), (113, 174448), (226, 87224), (452, 43612), (904, 21806), (1808, 10903)]