19732420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11887}}^1$

素因数の和:11979

約数の個数: 24

約数和(自身を含む): 41940864

約数和(自身を除く): 22208444

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11887, 23774, 47548, 59435, 118870, 237740, 986621, 1973242, 3946484, 4933105, 9866210, 19732420]

約数ペア:

[(1, 19732420), (2, 9866210), (4, 4933105), (5, 3946484), (10, 1973242), (20, 986621), (83, 237740), (166, 118870), (332, 59435), (415, 47548), (830, 23774), (1660, 11887)]