19519952

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15443}}^1$

素因数の和:15530

約数の個数: 20

約数和(自身を含む): 38301120

約数和(自身を除く): 18781168

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15443, 30886, 61772, 123544, 247088, 1219997, 2439994, 4879988, 9759976, 19519952]

約数ペア:

[(1, 19519952), (2, 9759976), (4, 4879988), (8, 2439994), (16, 1219997), (79, 247088), (158, 123544), (316, 61772), (632, 30886), (1264, 15443)]