19712945768

素因数分解:

$2^3\times {\mathrm{2719}}^1\times {\mathrm{906259}}^1$

素因数の和:908984

約数の個数: 16

約数和(自身を含む): 36975408000

約数和(自身を除く): 17262462232

約数列:

[1, 2, 4, 8, 2719, 5438, 10876, 21752, 906259, 1812518, 3625036, 7250072, 2464118221, 4928236442, 9856472884, 19712945768]

約数ペア:

[(1, 19712945768), (2, 9856472884), (4, 4928236442), (8, 2464118221), (2719, 7250072), (5438, 3625036), (10876, 1812518), (21752, 906259)]