19025264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27653}}^1$

素因数の和:27704

約数の個数: 20

約数和(自身を含む): 37720056

約数和(自身を除く): 18694792

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27653, 55306, 110612, 221224, 442448, 1189079, 2378158, 4756316, 9512632, 19025264]

約数ペア:

[(1, 19025264), (2, 9512632), (4, 4756316), (8, 2378158), (16, 1189079), (43, 442448), (86, 221224), (172, 110612), (344, 55306), (688, 27653)]