1898843219

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1\times {\mathrm{1031}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 2406921216

約数和(自身を除く): 508077997

約数列:

[1, 7, 13, 37, 91, 259, 481, 547, 1031, 3367, 3829, 7111, 7217, 13403, 20239, 38147, 49777, 93821, 141673, 263107, 267029, 495911, 563957, 1841749, 3471377, 3947699, 7331441, 20866409, 51320087, 146064863, 271263317, 1898843219]

約数ペア:

[(1, 1898843219), (7, 271263317), (13, 146064863), (37, 51320087), (91, 20866409), (259, 7331441), (481, 3947699), (547, 3471377), (1031, 1841749), (3367, 563957), (3829, 495911), (7111, 267029), (7217, 263107), (13403, 141673), (20239, 93821), (38147, 49777)]