27984340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73643}}^1$

素因数の和:73671

約数の個数: 24

約数和(自身を含む): 61860960

約数和(自身を除く): 33876620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 73643, 147286, 294572, 368215, 736430, 1399217, 1472860, 2798434, 5596868, 6996085, 13992170, 27984340]

約数ペア:

[(1, 27984340), (2, 13992170), (4, 6996085), (5, 5596868), (10, 2798434), (19, 1472860), (20, 1399217), (38, 736430), (76, 368215), (95, 294572), (190, 147286), (380, 73643)]