19081808

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{2371}}^1$

素因数の和:2882

約数の個数: 20

約数和(自身を含む): 37060128

約数和(自身を除く): 17978320

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 2371, 4024, 4742, 8048, 9484, 18968, 37936, 1192613, 2385226, 4770452, 9540904, 19081808]

約数ペア:

[(1, 19081808), (2, 9540904), (4, 4770452), (8, 2385226), (16, 1192613), (503, 37936), (1006, 18968), (2012, 9484), (2371, 8048), (4024, 4742)]