19845274

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 32440320

約数和(自身を除く): 12595046

約数列:

[1, 2, 23, 43, 46, 79, 86, 127, 158, 254, 989, 1817, 1978, 2921, 3397, 3634, 5461, 5842, 6794, 10033, 10922, 20066, 78131, 125603, 156262, 230759, 251206, 431419, 461518, 862838, 9922637, 19845274]

約数ペア:

[(1, 19845274), (2, 9922637), (23, 862838), (43, 461518), (46, 431419), (79, 251206), (86, 230759), (127, 156262), (158, 125603), (254, 78131), (989, 20066), (1817, 10922), (1978, 10033), (2921, 6794), (3397, 5842), (3634, 5461)]