20128638

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{9293}}^1$

素因数の和:9336

約数の個数: 24

約数和(自身を含む): 42492168

約数和(自身を除く): 22363530

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 9293, 18586, 27879, 55758, 176567, 353134, 529701, 1059402, 3354773, 6709546, 10064319, 20128638]

約数ペア:

[(1, 20128638), (2, 10064319), (3, 6709546), (6, 3354773), (19, 1059402), (38, 529701), (57, 353134), (114, 176567), (361, 55758), (722, 27879), (1083, 18586), (2166, 9293)]