18889970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2069}}^1$

素因数の和:2170

約数の個数: 32

約数和(自身を含む): 37558080

約数和(自身を除く): 18668110

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 166, 415, 830, 913, 1826, 2069, 4138, 4565, 9130, 10345, 20690, 22759, 45518, 113795, 171727, 227590, 343454, 858635, 1717270, 1888997, 3777994, 9444985, 18889970]

約数ペア:

[(1, 18889970), (2, 9444985), (5, 3777994), (10, 1888997), (11, 1717270), (22, 858635), (55, 343454), (83, 227590), (110, 171727), (166, 113795), (415, 45518), (830, 22759), (913, 20690), (1826, 10345), (2069, 9130), (4138, 4565)]