19331379

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 12118221

約数列:

[1, 3, 9, 19, 27, 53, 57, 79, 81, 159, 171, 237, 243, 477, 513, 711, 1007, 1431, 1501, 1539, 2133, 3021, 4187, 4293, 4503, 4617, 6399, 9063, 12561, 12879, 13509, 19197, 27189, 37683, 40527, 79553, 81567, 113049, 121581, 238659, 244701, 339147, 364743, 715977, 1017441, 2147931, 6443793, 19331379]

約数ペア:

[(1, 19331379), (3, 6443793), (9, 2147931), (19, 1017441), (27, 715977), (53, 364743), (57, 339147), (79, 244701), (81, 238659), (159, 121581), (171, 113049), (237, 81567), (243, 79553), (477, 40527), (513, 37683), (711, 27189), (1007, 19197), (1431, 13509), (1501, 12879), (1539, 12561), (2133, 9063), (3021, 6399), (4187, 4617), (4293, 4503)]