19347680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10993}}^1$

素因数の和:11019

約数の個数: 48

約数和(自身を含む): 49868784

約数和(自身を除く): 30521104

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, 10993, 21986, 43972, 54965, 87944, 109930, 120923, 175888, 219860, 241846, 351776, 439720, 483692, 604615, 879440, 967384, 1209230, 1758880, 1934768, 2418460, 3869536, 4836920, 9673840, 19347680]

約数ペア:

[(1, 19347680), (2, 9673840), (4, 4836920), (5, 3869536), (8, 2418460), (10, 1934768), (11, 1758880), (16, 1209230), (20, 967384), (22, 879440), (32, 604615), (40, 483692), (44, 439720), (55, 351776), (80, 241846), (88, 219860), (110, 175888), (160, 120923), (176, 109930), (220, 87944), (352, 54965), (440, 43972), (880, 21986), (1760, 10993)]