19773616

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{2003}}^1$

素因数の和:2628

約数の個数: 20

約数和(自身を含む): 38392632

約数和(自身を除く): 18619016

約数列:

[1, 2, 4, 8, 16, 617, 1234, 2003, 2468, 4006, 4936, 8012, 9872, 16024, 32048, 1235851, 2471702, 4943404, 9886808, 19773616]

約数ペア:

[(1, 19773616), (2, 9886808), (4, 4943404), (8, 2471702), (16, 1235851), (617, 32048), (1234, 16024), (2003, 9872), (2468, 8012), (4006, 4936)]