19743856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112181}}^1$

素因数の和:112200

約数の個数: 20

約数和(自身を含む): 41731704

約数和(自身を除く): 21987848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112181, 224362, 448724, 897448, 1233991, 1794896, 2467982, 4935964, 9871928, 19743856]

約数ペア:

[(1, 19743856), (2, 9871928), (4, 4935964), (8, 2467982), (11, 1794896), (16, 1233991), (22, 897448), (44, 448724), (88, 224362), (176, 112181)]