19687744

素因数分解:

$2^6\times {\mathrm{283}}^1\times {\mathrm{1087}}^1$

素因数の和:1382

約数の個数: 28

約数和(自身を含む): 39241984

約数和(自身を除く): 19554240

約数列:

[1, 2, 4, 8, 16, 32, 64, 283, 566, 1087, 1132, 2174, 2264, 4348, 4528, 8696, 9056, 17392, 18112, 34784, 69568, 307621, 615242, 1230484, 2460968, 4921936, 9843872, 19687744]

約数ペア:

[(1, 19687744), (2, 9843872), (4, 4921936), (8, 2460968), (16, 1230484), (32, 615242), (64, 307621), (283, 69568), (566, 34784), (1087, 18112), (1132, 17392), (2174, 9056), (2264, 8696), (4348, 4528)]