19318269

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7211}}^1$

素因数の和:7280

約数の個数: 16

約数和(自身を含む): 27694080

約数和(自身を除く): 8375811

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7211, 21633, 137009, 338917, 411027, 1016751, 6439423, 19318269]

約数ペア:

[(1, 19318269), (3, 6439423), (19, 1016751), (47, 411027), (57, 338917), (141, 137009), (893, 21633), (2679, 7211)]