18953127

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 30950400

約数和(自身を除く): 11997273

約数列:

[1, 3, 9, 19, 23, 57, 61, 69, 79, 171, 183, 207, 237, 437, 549, 711, 1159, 1311, 1403, 1501, 1817, 3477, 3933, 4209, 4503, 4819, 5451, 10431, 12627, 13509, 14457, 16353, 26657, 34523, 43371, 79971, 91561, 103569, 110837, 239913, 274683, 310707, 332511, 824049, 997533, 2105903, 6317709, 18953127]

約数ペア:

[(1, 18953127), (3, 6317709), (9, 2105903), (19, 997533), (23, 824049), (57, 332511), (61, 310707), (69, 274683), (79, 239913), (171, 110837), (183, 103569), (207, 91561), (237, 79971), (437, 43371), (549, 34523), (711, 26657), (1159, 16353), (1311, 14457), (1403, 13509), (1501, 12627), (1817, 10431), (3477, 5451), (3933, 4819), (4209, 4503)]