19520974

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 14154290

約数列:

[1, 2, 11, 22, 23, 46, 173, 223, 253, 346, 446, 506, 1903, 2453, 3806, 3979, 4906, 5129, 7958, 10258, 38579, 43769, 56419, 77158, 87538, 112838, 424369, 848738, 887317, 1774634, 9760487, 19520974]

約数ペア:

[(1, 19520974), (2, 9760487), (11, 1774634), (22, 887317), (23, 848738), (46, 424369), (173, 112838), (223, 87538), (253, 77158), (346, 56419), (446, 43769), (506, 38579), (1903, 10258), (2453, 7958), (3806, 5129), (3979, 4906)]