19345136

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{11971}}^1$

素因数の和:12080

約数の個数: 20

約数和(自身を含む): 37855464

約数和(自身を除く): 18510328

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 11971, 23942, 47884, 95768, 191536, 1209071, 2418142, 4836284, 9672568, 19345136]

約数ペア:

[(1, 19345136), (2, 9672568), (4, 4836284), (8, 2418142), (16, 1209071), (101, 191536), (202, 95768), (404, 47884), (808, 23942), (1616, 11971)]