19300420

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1559}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 40622400

約数和(自身を除く): 21321980

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 1559, 2476, 3095, 3118, 6190, 6236, 7795, 12380, 15590, 31180, 965021, 1930042, 3860084, 4825105, 9650210, 19300420]

約数ペア:

[(1, 19300420), (2, 9650210), (4, 4825105), (5, 3860084), (10, 1930042), (20, 965021), (619, 31180), (1238, 15590), (1559, 12380), (2476, 7795), (3095, 6236), (3118, 6190)]