19497038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{4951}}^1$

素因数の和:5143

約数の個数: 16

約数和(自身を含む): 32088960

約数和(自身を除く): 12591922

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 4951, 9902, 54461, 108922, 886229, 1772458, 9748519, 19497038]

約数ペア:

[(1, 19497038), (2, 9748519), (11, 1772458), (22, 886229), (179, 108922), (358, 54461), (1969, 9902), (3938, 4951)]