19834556

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1621}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 43599360

約数和(自身を除く): 23764804

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1621, 1748, 3059, 3242, 6118, 6484, 11347, 12236, 22694, 30799, 37283, 45388, 61598, 74566, 123196, 149132, 215593, 260981, 431186, 521962, 708377, 862372, 1043924, 1416754, 2833508, 4958639, 9917278, 19834556]

約数ペア:

[(1, 19834556), (2, 9917278), (4, 4958639), (7, 2833508), (14, 1416754), (19, 1043924), (23, 862372), (28, 708377), (38, 521962), (46, 431186), (76, 260981), (92, 215593), (133, 149132), (161, 123196), (266, 74566), (322, 61598), (437, 45388), (532, 37283), (644, 30799), (874, 22694), (1621, 12236), (1748, 11347), (3059, 6484), (3242, 6118)]