18643072

素因数分解:

$2^7\times 7^1\times {\mathrm{20807}}^1$

素因数の和:20828

約数の個数: 32

約数和(自身を含む): 42448320

約数和(自身を除く): 23805248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20807, 41614, 83228, 145649, 166456, 291298, 332912, 582596, 665824, 1165192, 1331648, 2330384, 2663296, 4660768, 9321536, 18643072]

約数ペア:

[(1, 18643072), (2, 9321536), (4, 4660768), (7, 2663296), (8, 2330384), (14, 1331648), (16, 1165192), (28, 665824), (32, 582596), (56, 332912), (64, 291298), (112, 166456), (128, 145649), (224, 83228), (448, 41614), (896, 20807)]