19196007

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 28075008

約数和(自身を除く): 8879001

約数列:

[1, 3, 23, 37, 69, 73, 103, 111, 219, 309, 851, 1679, 2369, 2553, 2701, 3811, 5037, 7107, 7519, 8103, 11433, 22557, 62123, 87653, 172937, 186369, 262959, 278203, 518811, 834609, 6398669, 19196007]

約数ペア:

[(1, 19196007), (3, 6398669), (23, 834609), (37, 518811), (69, 278203), (73, 262959), (103, 186369), (111, 172937), (219, 87653), (309, 62123), (851, 22557), (1679, 11433), (2369, 8103), (2553, 7519), (2701, 7107), (3811, 5037)]