18781369774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6770501}}^1$

素因数の和:6770595

約数の個数: 16

約数和(自身を含む): 30061028880

約数和(自身を除く): 11279659106

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 6770501, 13541002, 128639519, 257279038, 494246573, 988493146, 9390684887, 18781369774]

約数ペア:

[(1, 18781369774), (2, 9390684887), (19, 988493146), (38, 494246573), (73, 257279038), (146, 128639519), (1387, 13541002), (2774, 6770501)]