19410680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3821}}^1$

素因数の和:3959

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 24618760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3821, 5080, 7642, 15284, 19105, 30568, 38210, 76420, 152840, 485267, 970534, 1941068, 2426335, 3882136, 4852670, 9705340, 19410680]

約数ペア:

[(1, 19410680), (2, 9705340), (4, 4852670), (5, 3882136), (8, 2426335), (10, 1941068), (20, 970534), (40, 485267), (127, 152840), (254, 76420), (508, 38210), (635, 30568), (1016, 19105), (1270, 15284), (2540, 7642), (3821, 5080)]