19910166

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 40791168

約数和(自身を除く): 20881002

約数列:

[1, 2, 3, 6, 73, 131, 146, 219, 262, 347, 393, 438, 694, 786, 1041, 2082, 9563, 19126, 25331, 28689, 45457, 50662, 57378, 75993, 90914, 136371, 151986, 272742, 3318361, 6636722, 9955083, 19910166]

約数ペア:

[(1, 19910166), (2, 9955083), (3, 6636722), (6, 3318361), (73, 272742), (131, 151986), (146, 136371), (219, 90914), (262, 75993), (347, 57378), (393, 50662), (438, 45457), (694, 28689), (786, 25331), (1041, 19126), (2082, 9563)]