19627696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111521}}^1$

素因数の和:111540

約数の個数: 20

約数和(自身を含む): 41486184

約数和(自身を除く): 21858488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111521, 223042, 446084, 892168, 1226731, 1784336, 2453462, 4906924, 9813848, 19627696]

約数ペア:

[(1, 19627696), (2, 9813848), (4, 4906924), (8, 2453462), (11, 1784336), (16, 1226731), (22, 892168), (44, 446084), (88, 223042), (176, 111521)]