19155224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 39560400

約数和(自身を除く): 20405176

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 1997, 2398, 3994, 4796, 7988, 9592, 15976, 21967, 43934, 87868, 175736, 217673, 435346, 870692, 1741384, 2394403, 4788806, 9577612, 19155224]

約数ペア:

[(1, 19155224), (2, 9577612), (4, 4788806), (8, 2394403), (11, 1741384), (22, 870692), (44, 435346), (88, 217673), (109, 175736), (218, 87868), (436, 43934), (872, 21967), (1199, 15976), (1997, 9592), (2398, 7988), (3994, 4796)]