19987568

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{8273}}^1$

素因数の和:8432

約数の個数: 20

約数和(自身を含む): 38987088

約数和(自身を除く): 18999520

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 8273, 16546, 33092, 66184, 132368, 1249223, 2498446, 4996892, 9993784, 19987568]

約数ペア:

[(1, 19987568), (2, 9993784), (4, 4996892), (8, 2498446), (16, 1249223), (151, 132368), (302, 66184), (604, 33092), (1208, 16546), (2416, 8273)]