19539884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53681}}^1$

素因数の和:53705

約数の個数: 24

約数和(自身を含む): 42086688

約数和(自身を除く): 22546804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 53681, 107362, 214724, 375767, 697853, 751534, 1395706, 1503068, 2791412, 4884971, 9769942, 19539884]

約数ペア:

[(1, 19539884), (2, 9769942), (4, 4884971), (7, 2791412), (13, 1503068), (14, 1395706), (26, 751534), (28, 697853), (52, 375767), (91, 214724), (182, 107362), (364, 53681)]