19137242

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 12191398

約数列:

[1, 2, 23, 41, 46, 73, 82, 139, 146, 278, 943, 1679, 1886, 2993, 3197, 3358, 5699, 5986, 6394, 10147, 11398, 20294, 68839, 131077, 137678, 233381, 262154, 416027, 466762, 832054, 9568621, 19137242]

約数ペア:

[(1, 19137242), (2, 9568621), (23, 832054), (41, 466762), (46, 416027), (73, 262154), (82, 233381), (139, 137678), (146, 131077), (278, 68839), (943, 20294), (1679, 11398), (1886, 10147), (2993, 6394), (3197, 5986), (3358, 5699)]