19340792

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 38080800

約数和(自身を除く): 18740008

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 257, 409, 514, 818, 1028, 1636, 2056, 3272, 5911, 9407, 11822, 18814, 23644, 37628, 47288, 75256, 105113, 210226, 420452, 840904, 2417599, 4835198, 9670396, 19340792]

約数ペア:

[(1, 19340792), (2, 9670396), (4, 4835198), (8, 2417599), (23, 840904), (46, 420452), (92, 210226), (184, 105113), (257, 75256), (409, 47288), (514, 37628), (818, 23644), (1028, 18814), (1636, 11822), (2056, 9407), (3272, 5911)]