18868052581

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1\times {\mathrm{87517}}^1$

素因数の和:89164

約数の個数: 16

約数和(自身を含む): 22712671360

約数和(自身を除く): 3844618779

約数列:

[1, 7, 19, 133, 1621, 11347, 30799, 87517, 215593, 612619, 1662823, 11639761, 141865057, 993055399, 2695436083, 18868052581]

約数ペア:

[(1, 18868052581), (7, 2695436083), (19, 993055399), (133, 141865057), (1621, 11639761), (11347, 1662823), (30799, 612619), (87517, 215593)]