19968753

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50047}}^1$

素因数の和:50076

約数の個数: 16

約数和(自身を含む): 32030720

約数和(自身を除く): 12061967

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50047, 150141, 350329, 950893, 1050987, 2852679, 6656251, 19968753]

約数ペア:

[(1, 19968753), (3, 6656251), (7, 2852679), (19, 1050987), (21, 950893), (57, 350329), (133, 150141), (399, 50047)]