19659872

素因数分解:

$2^5\times {\mathrm{557}}^1\times {\mathrm{1103}}^1$

素因数の和:1670

約数の個数: 24

約数和(自身を含む): 38810016

約数和(自身を除く): 19150144

約数列:

[1, 2, 4, 8, 16, 32, 557, 1103, 1114, 2206, 2228, 4412, 4456, 8824, 8912, 17648, 17824, 35296, 614371, 1228742, 2457484, 4914968, 9829936, 19659872]

約数ペア:

[(1, 19659872), (2, 9829936), (4, 4914968), (8, 2457484), (16, 1228742), (32, 614371), (557, 35296), (1103, 17824), (1114, 17648), (2206, 8912), (2228, 8824), (4412, 4456)]