18428936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{461}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 18161464

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 263, 461, 526, 922, 1052, 1844, 2104, 3688, 4997, 8759, 9994, 17518, 19988, 35036, 39976, 70072, 121243, 242486, 484972, 969944, 2303617, 4607234, 9214468, 18428936]

約数ペア:

[(1, 18428936), (2, 9214468), (4, 4607234), (8, 2303617), (19, 969944), (38, 484972), (76, 242486), (152, 121243), (263, 70072), (461, 39976), (526, 35036), (922, 19988), (1052, 17518), (1844, 9994), (2104, 8759), (3688, 4997)]