16420638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6791}}^1$

素因数の和:6840

約数の個数: 32

約数和(自身を含む): 36513792

約数和(自身を除く): 20093154

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 6791, 13582, 20373, 40746, 88283, 176566, 210521, 264849, 421042, 529698, 631563, 1263126, 2736773, 5473546, 8210319, 16420638]

約数ペア:

[(1, 16420638), (2, 8210319), (3, 5473546), (6, 2736773), (13, 1263126), (26, 631563), (31, 529698), (39, 421042), (62, 264849), (78, 210521), (93, 176566), (186, 88283), (403, 40746), (806, 20373), (1209, 13582), (2418, 6791)]