17919824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:975

約数の個数: 40

約数和(自身を含む): 37804872

約数和(自身を除く): 19885048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 853, 1313, 1616, 1706, 2626, 3412, 5252, 6824, 10504, 11089, 13648, 21008, 22178, 44356, 86153, 88712, 172306, 177424, 344612, 689224, 1119989, 1378448, 2239978, 4479956, 8959912, 17919824]

約数ペア:

[(1, 17919824), (2, 8959912), (4, 4479956), (8, 2239978), (13, 1378448), (16, 1119989), (26, 689224), (52, 344612), (101, 177424), (104, 172306), (202, 88712), (208, 86153), (404, 44356), (808, 22178), (853, 21008), (1313, 13648), (1616, 11089), (1706, 10504), (2626, 6824), (3412, 5252)]