19649687536

素因数分解:

$2^4\times {\mathrm{2789}}^1\times {\mathrm{440339}}^1$

素因数の和:443136

約数の個数: 20

約数和(自身を含む): 38085006600

約数和(自身を除く): 18435319064

約数列:

[1, 2, 4, 8, 16, 2789, 5578, 11156, 22312, 44624, 440339, 880678, 1761356, 3522712, 7045424, 1228105471, 2456210942, 4912421884, 9824843768, 19649687536]

約数ペア:

[(1, 19649687536), (2, 9824843768), (4, 4912421884), (8, 2456210942), (16, 1228105471), (2789, 7045424), (5578, 3522712), (11156, 1761356), (22312, 880678), (44624, 440339)]