19820868

素因数分解:

$2^2\times 3^1\times {\mathrm{257}}^1\times {\mathrm{6427}}^1$

素因数の和:6691

約数の個数: 24

約数和(自身を含む): 46435872

約数和(自身を除く): 26615004

約数列:

[1, 2, 3, 4, 6, 12, 257, 514, 771, 1028, 1542, 3084, 6427, 12854, 19281, 25708, 38562, 77124, 1651739, 3303478, 4955217, 6606956, 9910434, 19820868]

約数ペア:

[(1, 19820868), (2, 9910434), (3, 6606956), (4, 4955217), (6, 3303478), (12, 1651739), (257, 77124), (514, 38562), (771, 25708), (1028, 19281), (1542, 12854), (3084, 6427)]