19727352

素因数分解:

$2^3\times 3^2\times {\mathrm{311}}^1\times {\mathrm{881}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 53660880

約数和(自身を除く): 33933528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 311, 622, 881, 933, 1244, 1762, 1866, 2488, 2643, 2799, 3524, 3732, 5286, 5598, 7048, 7464, 7929, 10572, 11196, 15858, 21144, 22392, 31716, 63432, 273991, 547982, 821973, 1095964, 1643946, 2191928, 2465919, 3287892, 4931838, 6575784, 9863676, 19727352]

約数ペア:

[(1, 19727352), (2, 9863676), (3, 6575784), (4, 4931838), (6, 3287892), (8, 2465919), (9, 2191928), (12, 1643946), (18, 1095964), (24, 821973), (36, 547982), (72, 273991), (311, 63432), (622, 31716), (881, 22392), (933, 21144), (1244, 15858), (1762, 11196), (1866, 10572), (2488, 7929), (2643, 7464), (2799, 7048), (3524, 5598), (3732, 5286)]