38789180

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1973}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 81581472

約数和(自身を除く): 42792292

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 1973, 3932, 3946, 4915, 7892, 9830, 9865, 19660, 19730, 39460, 1939459, 3878918, 7757836, 9697295, 19394590, 38789180]

約数ペア:

[(1, 38789180), (2, 19394590), (4, 9697295), (5, 7757836), (10, 3878918), (20, 1939459), (983, 39460), (1966, 19730), (1973, 19660), (3932, 9865), (3946, 9830), (4915, 7892)]