19900849659

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1\times {\mathrm{5507}}^1$

素因数の和:6247

約数の個数: 32

約数和(自身を含む): 28071235584

約数和(自身を除く): 8170385925

約数列:

[1, 3, 23, 69, 83, 249, 631, 1893, 1909, 5507, 5727, 14513, 16521, 43539, 52373, 126661, 157119, 379983, 457081, 1204579, 1371243, 3474917, 3613737, 10424751, 10512863, 31538589, 79923091, 239769273, 288418111, 865254333, 6633616553, 19900849659]

約数ペア:

[(1, 19900849659), (3, 6633616553), (23, 865254333), (69, 288418111), (83, 239769273), (249, 79923091), (631, 31538589), (1893, 10512863), (1909, 10424751), (5507, 3613737), (5727, 3474917), (14513, 1371243), (16521, 1204579), (43539, 457081), (52373, 379983), (126661, 157119)]