19563080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3851}}^1$

素因数の和:3989

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 24811960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3851, 5080, 7702, 15404, 19255, 30808, 38510, 77020, 154040, 489077, 978154, 1956308, 2445385, 3912616, 4890770, 9781540, 19563080]

約数ペア:

[(1, 19563080), (2, 9781540), (4, 4890770), (5, 3912616), (8, 2445385), (10, 1956308), (20, 978154), (40, 489077), (127, 154040), (254, 77020), (508, 38510), (635, 30808), (1016, 19255), (1270, 15404), (2540, 7702), (3851, 5080)]