19622240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11149}}^1$

素因数の和:11175

約数の個数: 48

約数和(自身を含む): 50576400

約数和(自身を除く): 30954160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11149, 22298, 44596, 55745, 89192, 111490, 122639, 178384, 222980, 245278, 356768, 445960, 490556, 613195, 891920, 981112, 1226390, 1783840, 1962224, 2452780, 3924448, 4905560, 9811120, 19622240]

約数ペア:

[(1, 19622240), (2, 9811120), (4, 4905560), (5, 3924448), (8, 2452780), (10, 1962224), (11, 1783840), (16, 1226390), (20, 981112), (22, 891920), (32, 613195), (40, 490556), (44, 445960), (55, 356768), (80, 245278), (88, 222980), (110, 178384), (160, 122639), (176, 111490), (220, 89192), (352, 55745), (440, 44596), (880, 22298), (1760, 11149)]