16819341890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{656749}}^1$

素因数の和:656966

約数の個数: 32

約数和(自身を含む): 32769198000

約数和(自身を除く): 15949856110

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1970, 2561, 5122, 12805, 25610, 656749, 1313498, 3283745, 6567490, 8537737, 17075474, 42688685, 85377370, 129379553, 258759106, 646897765, 1293795530, 1681934189, 3363868378, 8409670945, 16819341890]

約数ペア:

[(1, 16819341890), (2, 8409670945), (5, 3363868378), (10, 1681934189), (13, 1293795530), (26, 646897765), (65, 258759106), (130, 129379553), (197, 85377370), (394, 42688685), (985, 17075474), (1970, 8537737), (2561, 6567490), (5122, 3283745), (12805, 1313498), (25610, 656749)]