19157897

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 21720192

約数和(自身を除く): 2562295

約数列:

[1, 11, 37, 103, 407, 457, 1133, 3811, 5027, 16909, 41921, 47071, 185999, 517781, 1741627, 19157897]

約数ペア:

[(1, 19157897), (11, 1741627), (37, 517781), (103, 185999), (407, 47071), (457, 41921), (1133, 16909), (3811, 5027)]