19821616

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42719}}^1$

素因数の和:42756

約数の個数: 20

約数和(自身を含む): 39729600

約数和(自身を除く): 19907984

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42719, 85438, 170876, 341752, 683504, 1238851, 2477702, 4955404, 9910808, 19821616]

約数ペア:

[(1, 19821616), (2, 9910808), (4, 4955404), (8, 2477702), (16, 1238851), (29, 683504), (58, 341752), (116, 170876), (232, 85438), (464, 42719)]