19578040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5897}}^1$

素因数の和:5991

約数の個数: 32

約数和(自身を含む): 44588880

約数和(自身を除く): 25010840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5897, 11794, 23588, 29485, 47176, 58970, 117940, 235880, 489451, 978902, 1957804, 2447255, 3915608, 4894510, 9789020, 19578040]

約数ペア:

[(1, 19578040), (2, 9789020), (4, 4894510), (5, 3915608), (8, 2447255), (10, 1957804), (20, 978902), (40, 489451), (83, 235880), (166, 117940), (332, 58970), (415, 47176), (664, 29485), (830, 23588), (1660, 11794), (3320, 5897)]