18289702936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{261013}}^1$

素因数の和:261499

約数の個数: 32

約数和(自身を含む): 36176540400

約数和(自身を除く): 17886837464

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 461, 922, 1844, 3688, 8759, 17518, 35036, 70072, 261013, 522026, 1044052, 2088104, 4959247, 9918494, 19836988, 39673976, 120326993, 240653986, 481307972, 962615944, 2286212867, 4572425734, 9144851468, 18289702936]

約数ペア:

[(1, 18289702936), (2, 9144851468), (4, 4572425734), (8, 2286212867), (19, 962615944), (38, 481307972), (76, 240653986), (152, 120326993), (461, 39673976), (922, 19836988), (1844, 9918494), (3688, 4959247), (8759, 2088104), (17518, 1044052), (35036, 522026), (70072, 261013)]