19783900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5347}}^1$

素因数の和:5398

約数の個数: 36

約数和(自身を含む): 44099608

約数和(自身を除く): 24315708

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5347, 10694, 21388, 26735, 53470, 106940, 133675, 197839, 267350, 395678, 534700, 791356, 989195, 1978390, 3956780, 4945975, 9891950, 19783900]

約数ペア:

[(1, 19783900), (2, 9891950), (4, 4945975), (5, 3956780), (10, 1978390), (20, 989195), (25, 791356), (37, 534700), (50, 395678), (74, 267350), (100, 197839), (148, 133675), (185, 106940), (370, 53470), (740, 26735), (925, 21388), (1850, 10694), (3700, 5347)]