19821584

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:975

約数の個数: 40

約数和(自身を含む): 40777152

約数和(自身を除く): 20955568

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 883, 976, 1403, 1766, 2806, 3532, 5612, 7064, 11224, 14128, 20309, 22448, 40618, 53863, 81236, 107726, 162472, 215452, 324944, 430904, 861808, 1238849, 2477698, 4955396, 9910792, 19821584]

約数ペア:

[(1, 19821584), (2, 9910792), (4, 4955396), (8, 2477698), (16, 1238849), (23, 861808), (46, 430904), (61, 324944), (92, 215452), (122, 162472), (184, 107726), (244, 81236), (368, 53863), (488, 40618), (883, 22448), (976, 20309), (1403, 14128), (1766, 11224), (2806, 7064), (3532, 5612)]