18386816

素因数分解:

$2^7\times 7^1\times {\mathrm{20521}}^1$

素因数の和:20542

約数の個数: 32

約数和(自身を含む): 41864880

約数和(自身を除く): 23478064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 20521, 41042, 82084, 143647, 164168, 287294, 328336, 574588, 656672, 1149176, 1313344, 2298352, 2626688, 4596704, 9193408, 18386816]

約数ペア:

[(1, 18386816), (2, 9193408), (4, 4596704), (7, 2626688), (8, 2298352), (14, 1313344), (16, 1149176), (28, 656672), (32, 574588), (56, 328336), (64, 287294), (112, 164168), (128, 143647), (224, 82084), (448, 41042), (896, 20521)]