12847990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3559}}^1$

素因数の和:3604

約数の個数: 24

約数和(自身を含む): 24414480

約数和(自身を除く): 11566490

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3559, 3610, 7118, 17795, 35590, 67621, 135242, 338105, 676210, 1284799, 2569598, 6423995, 12847990]

約数ペア:

[(1, 12847990), (2, 6423995), (5, 2569598), (10, 1284799), (19, 676210), (38, 338105), (95, 135242), (190, 67621), (361, 35590), (722, 17795), (1805, 7118), (3559, 3610)]