19899004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2447}}^1$

素因数の和:2577

約数の個数: 24

約数和(自身を含む): 37013760

約数和(自身を除く): 17114756

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 2447, 4066, 4894, 8132, 9788, 46493, 92986, 185972, 261829, 523658, 1047316, 4974751, 9949502, 19899004]

約数ペア:

[(1, 19899004), (2, 9949502), (4, 4974751), (19, 1047316), (38, 523658), (76, 261829), (107, 185972), (214, 92986), (428, 46493), (2033, 9788), (2447, 8132), (4066, 4894)]