19738852

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9929}}^1$

素因数の和:10011

約数の個数: 24

約数和(自身を含む): 40037760

約数和(自身を除く): 20298908

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 9929, 19858, 39716, 69503, 139006, 278012, 704959, 1409918, 2819836, 4934713, 9869426, 19738852]

約数ペア:

[(1, 19738852), (2, 9869426), (4, 4934713), (7, 2819836), (14, 1409918), (28, 704959), (71, 278012), (142, 139006), (284, 69503), (497, 39716), (994, 19858), (1988, 9929)]