17937829

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 22662720

約数和(自身を除く): 4724891

約数列:

[1, 7, 13, 59, 91, 169, 257, 413, 767, 1183, 1799, 3341, 5369, 9971, 15163, 23387, 43433, 69797, 106141, 197119, 304031, 1379833, 2562547, 17937829]

約数ペア:

[(1, 17937829), (7, 2562547), (13, 1379833), (59, 304031), (91, 197119), (169, 106141), (257, 69797), (413, 43433), (767, 23387), (1183, 15163), (1799, 9971), (3341, 5369)]