19735976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1741}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 40240200

約数和(自身を除く): 20504224

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1741, 2834, 3482, 5668, 6964, 11336, 13928, 22633, 45266, 90532, 181064, 189769, 379538, 759076, 1518152, 2466997, 4933994, 9867988, 19735976]

約数ペア:

[(1, 19735976), (2, 9867988), (4, 4933994), (8, 2466997), (13, 1518152), (26, 759076), (52, 379538), (104, 189769), (109, 181064), (218, 90532), (436, 45266), (872, 22633), (1417, 13928), (1741, 11336), (2834, 6964), (3482, 5668)]