19399168

素因数分解:

$2^9\times {\mathrm{37889}}^1$

素因数の和:37907

約数の個数: 20

約数和(自身を含む): 38761470

約数和(自身を除く): 19362302

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 37889, 75778, 151556, 303112, 606224, 1212448, 2424896, 4849792, 9699584, 19399168]

約数ペア:

[(1, 19399168), (2, 9699584), (4, 4849792), (8, 2424896), (16, 1212448), (32, 606224), (64, 303112), (128, 151556), (256, 75778), (512, 37889)]