19953508

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4649}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 37107000

約数和(自身を除く): 17153492

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 1073, 2146, 4292, 4649, 9298, 18596, 134821, 172013, 269642, 344026, 539284, 688052, 4988377, 9976754, 19953508]

約数ペア:

[(1, 19953508), (2, 9976754), (4, 4988377), (29, 688052), (37, 539284), (58, 344026), (74, 269642), (116, 172013), (148, 134821), (1073, 18596), (2146, 9298), (4292, 4649)]