2019907888

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1249943}}^1$

素因数の和:1250052

約数の個数: 20

約数和(自身を含む): 3952322928

約数和(自身を除く): 1932415040

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 1249943, 2499886, 4999772, 9999544, 19999088, 126244243, 252488486, 504976972, 1009953944, 2019907888]

約数ペア:

[(1, 2019907888), (2, 1009953944), (4, 504976972), (8, 252488486), (16, 126244243), (101, 19999088), (202, 9999544), (404, 4999772), (808, 2499886), (1616, 1249943)]