19863942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4339}}^1$

素因数の和:4460

約数の個数: 32

約数和(自身を含む): 45830400

約数和(自身を除く): 25966458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4339, 4578, 8678, 13017, 26034, 30373, 60746, 91119, 182238, 472951, 945902, 1418853, 2837706, 3310657, 6621314, 9931971, 19863942]

約数ペア:

[(1, 19863942), (2, 9931971), (3, 6621314), (6, 3310657), (7, 2837706), (14, 1418853), (21, 945902), (42, 472951), (109, 182238), (218, 91119), (327, 60746), (654, 30373), (763, 26034), (1526, 13017), (2289, 8678), (4339, 4578)]