19288420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 43021440

約数和(自身を除く): 23733020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 263, 380, 386, 526, 772, 965, 1052, 1315, 1930, 2630, 3667, 3860, 4997, 5260, 7334, 9994, 14668, 18335, 19988, 24985, 36670, 49970, 50759, 73340, 99940, 101518, 203036, 253795, 507590, 964421, 1015180, 1928842, 3857684, 4822105, 9644210, 19288420]

約数ペア:

[(1, 19288420), (2, 9644210), (4, 4822105), (5, 3857684), (10, 1928842), (19, 1015180), (20, 964421), (38, 507590), (76, 253795), (95, 203036), (190, 101518), (193, 99940), (263, 73340), (380, 50759), (386, 49970), (526, 36670), (772, 24985), (965, 19988), (1052, 18335), (1315, 14668), (1930, 9994), (2630, 7334), (3667, 5260), (3860, 4997)]