19993900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8693}}^1$

素因数の和:8730

約数の個数: 36

約数和(自身を含む): 45278352

約数和(自身を除く): 25284452

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8693, 17386, 34772, 43465, 86930, 173860, 199939, 217325, 399878, 434650, 799756, 869300, 999695, 1999390, 3998780, 4998475, 9996950, 19993900]

約数ペア:

[(1, 19993900), (2, 9996950), (4, 4998475), (5, 3998780), (10, 1999390), (20, 999695), (23, 869300), (25, 799756), (46, 434650), (50, 399878), (92, 217325), (100, 199939), (115, 173860), (230, 86930), (460, 43465), (575, 34772), (1150, 17386), (2300, 8693)]