19040138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23623}}^1$

素因数の和:23669

約数の個数: 16

約数和(自身を含む): 31750656

約数和(自身を除く): 12710518

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23623, 47246, 307099, 614198, 732313, 1464626, 9520069, 19040138]

約数ペア:

[(1, 19040138), (2, 9520069), (13, 1464626), (26, 732313), (31, 614198), (62, 307099), (403, 47246), (806, 23623)]