19995256

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{4969}}^1$

素因数の和:5478

約数の個数: 16

約数和(自身を含む): 37573200

約数和(自身を除く): 17577944

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 4969, 9938, 19876, 39752, 2499407, 4998814, 9997628, 19995256]

約数ペア:

[(1, 19995256), (2, 9997628), (4, 4998814), (8, 2499407), (503, 39752), (1006, 19876), (2012, 9938), (4024, 4969)]