19127380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{557}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 43028496

約数和(自身を除く): 23901116

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 557, 1010, 1114, 1717, 2020, 2228, 2785, 3434, 5570, 6868, 8585, 9469, 11140, 17170, 18938, 34340, 37876, 47345, 56257, 94690, 112514, 189380, 225028, 281285, 562570, 956369, 1125140, 1912738, 3825476, 4781845, 9563690, 19127380]

約数ペア:

[(1, 19127380), (2, 9563690), (4, 4781845), (5, 3825476), (10, 1912738), (17, 1125140), (20, 956369), (34, 562570), (68, 281285), (85, 225028), (101, 189380), (170, 112514), (202, 94690), (340, 56257), (404, 47345), (505, 37876), (557, 34340), (1010, 18938), (1114, 17170), (1717, 11140), (2020, 9469), (2228, 8585), (2785, 6868), (3434, 5570)]