19201360

素因数分解:

$2^4\times 5^1\times {\mathrm{240017}}^1$

素因数の和:240030

約数の個数: 20

約数和(自身を含む): 44643348

約数和(自身を除く): 25441988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 240017, 480034, 960068, 1200085, 1920136, 2400170, 3840272, 4800340, 9600680, 19201360]

約数ペア:

[(1, 19201360), (2, 9600680), (4, 4800340), (5, 3840272), (8, 2400170), (10, 1920136), (16, 1200085), (20, 960068), (40, 480034), (80, 240017)]