19261480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68791}}^1$

素因数の和:68809

約数の個数: 32

約数和(自身を含む): 49530240

約数和(自身を除く): 30268760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68791, 137582, 275164, 343955, 481537, 550328, 687910, 963074, 1375820, 1926148, 2407685, 2751640, 3852296, 4815370, 9630740, 19261480]

約数ペア:

[(1, 19261480), (2, 9630740), (4, 4815370), (5, 3852296), (7, 2751640), (8, 2407685), (10, 1926148), (14, 1375820), (20, 963074), (28, 687910), (35, 550328), (40, 481537), (56, 343955), (70, 275164), (140, 137582), (280, 68791)]